query: SELECT mailing_date FROM Documents_Mailed WHERE document_id = 7;
question: What is the mail date of the document with imight would 7?
query_toks: SELECT mailing_date FROM Documents_Mailed WHERE document_id = 7 ;
query_toks_no_value: select mailing_date from documents_mailed where document_id = value
question_toks: What is the mail date of the document with imight would 7?