CREATE TABLE table_20504 ("Bowl Game" TEXT, "Date" TEXT, "Stadium" TEXT, "City" TEXT, "Television" TEXT, "Conference Matchups" TEXT, "Payout  (  US$  ) " TEXT)

Which stadium has a payout of $3 million?
SELECT "Stadium" FROM table_20504 WHERE "Payout ( US$ )" = '$3 Million'
SELECT "Stadium" FROM "table_20504" WHERE "Payout ( US$ )" = '$3 Million'