patients with creatinine clearance < 50 ml / min,
CREATE TABLE table_test_18 (
    "id" int,
    "bleeding" int,
    "dialysis" bool,
    "hct" int,
    "hepatic_disease" bool,
    "anaemia" bool,
    "creatinine_clearance_cl" float,
    "polycytaemia" bool,
    "thrombocytopenia" float,
    "kidney_disease" bool,
    "body_mass_index_bmi" float,
    "glycosylated_hemoglobin" float,
    "NOUSE" float
)
SELECT * FROM table_test_18 WHERE creatinine_clearance_cl < 50
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: patients with creatinine clearance < 50 ml / min, ### Input: CREATE TABLE table_test_18 (
    "id" int,
    "bleeding" int,
    "dialysis" bool,
    "hct" int,
    "hepatic_disease" bool,
    "anaemia" bool,
    "creatinine_clearance_cl" float,
    "polycytaemia" bool,
    "thrombocytopenia" float,
    "kidney_disease" bool,
    "body_mass_index_bmi" float,
    "glycosylated_hemoglobin" float,
    "NOUSE" float
) ### Response: SELECT * FROM table_test_18 WHERE creatinine_clearance_cl < 50