SELECT LOCATION FROM track WHERE seating  >  90000 INTERSECT SELECT LOCATION FROM track WHERE seating  <  70000
Find the locations where have both tracks with more than 90000 seats and tracks with less than 70000 seats.
SELECT LOCATION FROM track WHERE seating > 90000 INTERSECT SELECT LOCATION FROM track WHERE seating < 70000
select location from track where seating > value intersect select location from track where seating < value
Find the locations where have both tracks with more than 90000 seats and tracks with less than 70000 seats .