CREATE TABLE table_65216 ("Nat." TEXT, "Name" TEXT, "Type" TEXT, "Transfer window" TEXT, "Transfer fee" TEXT)

What player had a transfer window of winter, and free as the transfer fee?
SELECT "Name" FROM table_65216 WHERE "Transfer window" = 'winter' AND "Transfer fee" = 'free'
SELECT "Name" FROM "table_65216" WHERE "Transfer fee" = 'free' AND "Transfer window" = 'winter'