CREATE TABLE table_37020 ("Player" TEXT, "League" FLOAT, "Malaysia Cup" FLOAT, "FA Cup" FLOAT, "Total" FLOAT)

Which FA Cup has a Player of khairan ezuan razali, and a Total smaller than 0?
SELECT AVG("FA Cup") FROM table_37020 WHERE "Player" = 'khairan ezuan razali' AND "Total" < '0'
SELECT AVG("FA Cup") FROM "table_37020" WHERE "Player" = 'khairan ezuan razali' AND "Total" < '0'