query: SELECT patient FROM stay WHERE room  =  111 ORDER BY staystart DESC LIMIT 1
question: Find patient who most recently stay rooms 111.
query_toks: SELECT patient FROM stay WHERE room = 111 ORDER BY staystart DESC LIMIT 1
query_toks_no_value: select patient from stay where room = value order by staystart desc limit value
question_toks: Find patient who most recently stay rooms 111.