CREATE TABLE table_51576 ("Nat." TEXT, "Name" TEXT, "Since" TEXT, "Goals" FLOAT, "Transfer fee" TEXT)

What is the largest goal number when the transfer fee was 0.8m?
SELECT MAX("Goals") FROM table_51576 WHERE "Transfer fee" = '£0.8m'
SELECT MAX("Goals") FROM "table_51576" WHERE "Transfer fee" = '£0.8m'