Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE acceptance (Author VARCHAR, Submission_ID VARCHAR); CREATE TABLE submission (Author VARCHAR, Submission_ID VARCHAR)
### Question:
List the authors who do not have submission to any workshop.
### Answer:
SELECT Author FROM submission WHERE NOT Submission_ID IN (SELECT Submission_ID FROM acceptance)