query: SELECT year_opened FROM track WHERE seating BETWEEN 4000 AND 5000
question: Show year where a tracks with a seating at least 5000 opened it and a tracks with seating no much than 4000 opened it.
query_toks: SELECT year_opened FROM track WHERE seating BETWEEN 4000 AND 5000
query_toks_no_value: select year_opened from track where seating between value and value
question_toks: Show year where a tracks with a seating at least 5000 opened it and a tracks with seating no much than 4000 opened it.