CREATE TABLE table_65104 ("Nat." TEXT, "Name" TEXT, "Moving from" TEXT, "Type" TEXT, "Transfer window" TEXT, "Ends" FLOAT, "Transfer fee" TEXT)

What is the transfer fee for Helguera?
SELECT "Transfer fee" FROM table_65104 WHERE "Name" = 'helguera'
SELECT "Transfer fee" FROM "table_65104" WHERE "Name" = 'helguera'