user: ### NOW ANSWER:
Question: When Princeton was the regular season winner, who was the tournament winner?
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: ['Big Seven Conference', 'Kansas', 'None Selected', 'No Tournament', 'No Tournament', 'No Tournament']
SQL:

assistant: SELECT "Tournament Winner" FROM "Table" WHERE "Regular Season Winner" = 'Princeton';