query: SELECT id FROM station WHERE lat  >  37.4 EXCEPT SELECT station_id FROM status GROUP BY station_id HAVING min(bikes_available)  <  7
question: What id all station that already have latitude 37.4 and did never had less than 7 bike available?
query_toks: SELECT id FROM station WHERE lat > 37.4 EXCEPT SELECT station_id FROM status GROUP BY station_id HAVING min ( bikes_available ) < 7
query_toks_no_value: select id from station where lat > value except select station_id from status group by station_id having min ( bikes_available ) < value
question_toks: What id all station that already have latitude 37.4 and did never had less than 7 bike available?