CREATE TABLE table_25256 ("Conference" TEXT, "Regular Season Winner" TEXT, "Conference Player of the Year" TEXT, "Conference Tournament" TEXT, "Tournament Venue  ( City ) " TEXT, "Tournament Winner" TEXT)

When Princeton was the regular season winner, who was the tournament winner?
SELECT "Tournament Winner" FROM table_25256 WHERE "Regular Season Winner" = 'Princeton'
SELECT "Tournament Winner" FROM "table_25256" WHERE "Regular Season Winner" = 'Princeton'