query: SELECT Studio FROM film EXCEPT SELECT Studio FROM film WHERE Director  =  "Walter Hill"
question: Do Show studios that which ain't films with director " Walter Hill produced  ".
query_toks: SELECT Studio FROM film EXCEPT SELECT Studio FROM film WHERE Director = `` Walter Hill ''
query_toks_no_value: select studio from film except select studio from film where director = value
question_toks: Do Show studios that which ain't films with director " Walter Hill produced ".