query: SELECT gender FROM TEACHERS WHERE last_name  =  "Medhurst"
question: What-all that gender of that teacher with last name "Medhurst"?
query_toks: SELECT gender FROM TEACHERS WHERE last_name = `` Medhurst ''
query_toks_no_value: select gender from teachers where last_name = value
question_toks: What-all that gender of that teacher with last name "Medhurst"?