user: Question: Who was the tournament winner in the Southwestern Athletic Conference?
Columns: ['Conference', 'Regular Season Winner', 'Conference Player of the Year', 'Conference Tournament', 'Tournament Venue (City)', 'Tournament Winner']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Atlantic 10 Conference', 'Xavier', 'Tu Holloway , Xavier', "2011 Atlantic 10 Men's Basketball Tournament", 'Boardwalk Hall ( Atlantic City, New Jersey )', 'Richmond']
SQL:

assistant: SELECT "Tournament Winner" FROM "Table" WHERE "Conference" = 'Southwestern Athletic Conference';