CREATE TABLE table_41791 ("Rank" FLOAT, "Name" TEXT, "Years" TEXT, "Matches" FLOAT, "Goals" FLOAT)

Which Goals have a Name of lee dong-gook?
SELECT MAX("Goals") FROM table_41791 WHERE "Name" = 'lee dong-gook'
SELECT MAX("Goals") FROM "table_41791" WHERE "Name" = 'lee dong-gook'