List the authors who do not have submission to any workshop.
CREATE TABLE acceptance (
    submission_id number,
    workshop_id number,
    result text
)

CREATE TABLE submission (
    submission_id number,
    scores number,
    author text,
    college text
)

CREATE TABLE workshop (
    workshop_id number,
    date text,
    venue text,
    name text
)
SELECT author FROM submission WHERE NOT submission_id IN (SELECT submission_id FROM acceptance)
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: List the authors who do not have submission to any workshop. ### Input: CREATE TABLE acceptance (
    submission_id number,
    workshop_id number,
    result text
)

CREATE TABLE submission (
    submission_id number,
    scores number,
    author text,
    college text
)

CREATE TABLE workshop (
    workshop_id number,
    date text,
    venue text,
    name text
) ### Response: SELECT author FROM submission WHERE NOT submission_id IN (SELECT submission_id FROM acceptance)