query: SELECT template_id FROM Templates EXCEPT SELECT template_id FROM Documents
question: What-all are the ids for templates that ain't used them in no documents?
query_toks: SELECT template_id FROM Templates EXCEPT SELECT template_id FROM Documents
query_toks_no_value: select template_id from templates except select template_id from documents
question_toks: What-all are the ids for templates that ain't used them in no documents?