how much is the body weight change of patient 006-254182 measured at 2104-09-10 20:41:00 compared to the value measured at 2104-09-08 21:57:00?
CREATE TABLE treatment (
    treatmentid number,
    patientunitstayid number,
    treatmentname text,
    treatmenttime time
)

CREATE TABLE medication (
    medicationid number,
    patientunitstayid number,
    drugname text,
    dosage text,
    routeadmin text,
    drugstarttime time,
    drugstoptime time
)

CREATE TABLE allergy (
    allergyid number,
    patientunitstayid number,
    drugname text,
    allergyname text,
    allergytime time
)

CREATE TABLE diagnosis (
    diagnosisid number,
    patientunitstayid number,
    diagnosisname text,
    diagnosistime time,
    icd9code text
)

CREATE TABLE microlab (
    microlabid number,
    patientunitstayid number,
    culturesite text,
    organism text,
    culturetakentime time
)

CREATE TABLE cost (
    costid number,
    uniquepid text,
    patienthealthsystemstayid number,
    eventtype text,
    eventid number,
    chargetime time,
    cost number
)

CREATE TABLE lab (
    labid number,
    patientunitstayid number,
    labname text,
    labresult number,
    labresulttime time
)

CREATE TABLE patient (
    uniquepid text,
    patienthealthsystemstayid number,
    patientunitstayid number,
    gender text,
    age text,
    ethnicity text,
    hospitalid number,
    wardid number,
    admissionheight number,
    admissionweight number,
    dischargeweight number,
    hospitaladmittime time,
    hospitaladmitsource text,
    unitadmittime time,
    unitdischargetime time,
    hospitaldischargetime time,
    hospitaldischargestatus text
)

CREATE TABLE intakeoutput (
    intakeoutputid number,
    patientunitstayid number,
    cellpath text,
    celllabel text,
    cellvaluenumeric number,
    intakeoutputtime time
)

CREATE TABLE vitalperiodic (
    vitalperiodicid number,
    patientunitstayid number,
    temperature number,
    sao2 number,
    heartrate number,
    respiration number,
    systemicsystolic number,
    systemicdiastolic number,
    systemicmean number,
    observationtime time
)
SELECT (SELECT patient.admissionweight FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '006-254182') AND NOT patient.admissionweight IS NULL AND patient.unitadmittime = '2104-09-10 20:41:00') - (SELECT patient.admissionweight FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '006-254182') AND NOT patient.admissionweight IS NULL AND patient.unitadmittime = '2104-09-08 21:57:00')
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: how much is the body weight change of patient 006-254182 measured at 2104-09-10 20:41:00 compared to the value measured at 2104-09-08 21:57:00? ### Input: CREATE TABLE treatment (
    treatmentid number,
    patientunitstayid number,
    treatmentname text,
    treatmenttime time
)

CREATE TABLE medication (
    medicationid number,
    patientunitstayid number,
    drugname text,
    dosage text,
    routeadmin text,
    drugstarttime time,
    drugstoptime time
)

CREATE TABLE allergy (
    allergyid number,
    patientunitstayid number,
    drugname text,
    allergyname text,
    allergytime time
)

CREATE TABLE diagnosis (
    diagnosisid number,
    patientunitstayid number,
    diagnosisname text,
    diagnosistime time,
    icd9code text
)

CREATE TABLE microlab (
    microlabid number,
    patientunitstayid number,
    culturesite text,
    organism text,
    culturetakentime time
)

CREATE TABLE cost (
    costid number,
    uniquepid text,
    patienthealthsystemstayid number,
    eventtype text,
    eventid number,
    chargetime time,
    cost number
)

CREATE TABLE lab (
    labid number,
    patientunitstayid number,
    labname text,
    labresult number,
    labresulttime time
)

CREATE TABLE patient (
    uniquepid text,
    patienthealthsystemstayid number,
    patientunitstayid number,
    gender text,
    age text,
    ethnicity text,
    hospitalid number,
    wardid number,
    admissionheight number,
    admissionweight number,
    dischargeweight number,
    hospitaladmittime time,
    hospitaladmitsource text,
    unitadmittime time,
    unitdischargetime time,
    hospitaldischargetime time,
    hospitaldischargestatus text
)

CREATE TABLE intakeoutput (
    intakeoutputid number,
    patientunitstayid number,
    cellpath text,
    celllabel text,
    cellvaluenumeric number,
    intakeoutputtime time
)

CREATE TABLE vitalperiodic (
    vitalperiodicid number,
    patientunitstayid number,
    temperature number,
    sao2 number,
    heartrate number,
    respiration number,
    systemicsystolic number,
    systemicdiastolic number,
    systemicmean number,
    observationtime time
) ### Response: SELECT (SELECT patient.admissionweight FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '006-254182') AND NOT patient.admissionweight IS NULL AND patient.unitadmittime = '2104-09-10 20:41:00') - (SELECT patient.admissionweight FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '006-254182') AND NOT patient.admissionweight IS NULL AND patient.unitadmittime = '2104-09-08 21:57:00')