What is the mail date of the document with id 7?
CREATE TABLE Documents_Mailed (mailing_date VARCHAR, document_id VARCHAR)
SELECT mailing_date FROM Documents_Mailed WHERE document_id = 7
### Context: CREATE TABLE Documents_Mailed (mailing_date VARCHAR, document_id VARCHAR) ### Question: What is the mail date of the document with id 7? ### Answer: SELECT mailing_date FROM Documents_Mailed WHERE document_id = 7