CREATE TABLE table_25181 ("Conference" TEXT, "Regular Season Winner" TEXT, "Conference Player of the Year" TEXT, "Conference Tournament" TEXT, "Tournament Venue  ( City ) " TEXT, "Tournament Winner" TEXT)

How many locations are listed for the Big 12 Conference?
SELECT COUNT("Tournament Venue (City)") FROM table_25181 WHERE "Conference" = 'Big 12 Conference'
SELECT COUNT("Tournament Venue (City)") FROM "table_25181" WHERE "Conference" = 'Big 12 Conference'