query: SELECT count(*) FROM Staff WHERE first_name = "Ludie";
question: How many staff one have the first name Ludie?
query_toks: SELECT count ( * ) FROM Staff WHERE first_name = `` Ludie '' ;
query_toks_no_value: select count ( * ) from staff where first_name = value
question_toks: How many staff one have the first name Ludie?