CREATE TABLE table_50831 ("Nat." TEXT, "Name" TEXT, "Moving from" TEXT, "Type" TEXT, "Transfer window" TEXT, "Ends" FLOAT, "Transfer fee" TEXT, "Source" TEXT)

what is the transfer fee for evilasio?
SELECT "Transfer fee" FROM table_50831 WHERE "Name" = 'evilasio'
SELECT "Transfer fee" FROM "table_50831" WHERE "Name" = 'evilasio'