CREATE TABLE table_6304 ("Match" FLOAT, "Date" TEXT, "Opponent" TEXT, "Venue" TEXT, "Result" TEXT, "Attendance" FLOAT)

How many Attendance has a Opponent of west bromwich albion, and a Result of 3 3, and a Match larger than 20?
SELECT SUM("Attendance") FROM table_6304 WHERE "Opponent" = 'west bromwich albion' AND "Result" = '3 – 3' AND "Match" > '20'
SELECT SUM("Attendance") FROM "table_6304" WHERE "Match" > '20' AND "Opponent" = 'west bromwich albion' AND "Result" = '3 – 3'