query: SELECT first_name ,  middle_name ,  last_name FROM Staff;
question: What-what of all staff are a , , and names last?
query_toks: SELECT first_name , middle_name , last_name FROM Staff ;
query_toks_no_value: select first_name , middle_name , last_name from staff
question_toks: What-what of all staff are a , , and names last?