CREATE TABLE table_30502 ("Conference" CLOB, "Regular Season Winner" CLOB, "Conference Player of the Year" CLOB, "Conference Tournament" CLOB, "Tournament Venue  ( City ) " CLOB, "Tournament Winner" CLOB)

During what conference is North Carolina listed as the tournament winner?
SELECT "Conference" FROM table_30502 WHERE "Tournament Winner" = 'North Carolina'
SELECT "Conference" FROM "table_30502" WHERE "Tournament Winner" = 'North Carolina'