SELECT LOCATION FROM performance GROUP BY LOCATION ORDER BY COUNT(*) DESC LIMIT 1
Show the most common location of performances.
[Schema (values) (types)]: | performance_attendance |  member : member_id (text) , name (text) , nationality (text) , role (text) | performance : performance_id (text) , date (text) , host (text) , location (text) , attendance (text) | member_attendance : member_id (text) , performance_id (text) , num_of_pieces (text);