CREATE TABLE table_7915 ("Name" TEXT, "League" FLOAT, "FA Cup" FLOAT, "League Cup" FLOAT, "Total" FLOAT)

what is the highest fa cup when the league cup is more than 0, the name is hei ar helguson and the league is less than 3?
SELECT MAX("FA Cup") FROM table_7915 WHERE "League Cup" > '0' AND "Name" = 'heiðar helguson' AND "League" < '3'
SELECT MAX("FA Cup") FROM "table_7915" WHERE "League Cup" > '0' AND "League" < '3' AND "Name" = 'heiðar helguson'