Show the name, location, open year for all tracks with a seating higher than the average.
return tracks ;return seating of #1 ;return average of #2 ;return #1 where #2 is higher than #3 ;return name of #4 ;return location of #4 ;return open year of #4 ;return #5 ,  #6 ,   #7
['select', 'project', 'aggregate', 'comparative', 'project', 'project', 'project', 'union']