query: SELECT FacID FROM Faculty EXCEPT SELECT FacID FROM Faculty_participates_in
question: Show id faculty who don't participate any activitys.
query_toks: SELECT FacID FROM Faculty EXCEPT SELECT FacID FROM Faculty_participates_in
query_toks_no_value: select facid from faculty except select facid from faculty_participates_in
question_toks: Show id faculty who don't participate any activitys.