SELECT name ,  LOCATION ,  year_opened FROM track WHERE seating  >  (SELECT avg(seating) FROM track)
Show the name, location, open year for all tracks with a seating higher than the average.
[Schema (values) (types)]: | race_track |  race : race_id (text) , name (number) , class (text) , date (text) , track_id (text) | track : track_id (text) , name (number) , location (text) , seating (text) , year_opened (text);