CREATE TABLE table_21023 ("Date" TEXT, "Time" TEXT, "ACC Team" TEXT, "Big Ten Team" TEXT, "Location" TEXT, "Television" TEXT, "Attendance" FLOAT, "Winner" TEXT, "Challenge Leader" TEXT)

What station aired a game at 9:00pm?
SELECT "Television" FROM table_21023 WHERE "Time" = '9:00PM'
SELECT "Television" FROM "table_21023" WHERE "Time" = '9:00PM'