query: SELECT date_of_birth FROM Staff WHERE first_name = "Janessa" AND last_name = "Sawayn";
question: What-all that date birth that staffs member a-named Janessa Sawayn?
query_toks: SELECT date_of_birth FROM Staff WHERE first_name = `` Janessa '' AND last_name = `` Sawayn '' ;
query_toks_no_value: select date_of_birth from staff where first_name = value and last_name = value
question_toks: What-all that date birth that staffs member a-named Janessa Sawayn?