CREATE TABLE table_21488 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Game site" TEXT, "Record" TEXT, "Attendance" FLOAT)

In the game with an attendance of 18304, what was the final score?
SELECT "Result" FROM table_21488 WHERE "Attendance" = '18304'
SELECT "Result" FROM "table_21488" WHERE "Attendance" = '18304'