CREATE TABLE table_43983 ("Nat." TEXT, "Name" TEXT, "Moving to" TEXT, "Type" TEXT, "Transfer window" TEXT, "Transfer fee" TEXT)

What type of transfer window is winter in Ita?
SELECT "Type" FROM table_43983 WHERE "Transfer window" = 'winter' AND "Nat." = 'ita'
SELECT "Type" FROM "table_43983" WHERE "Nat." = 'ita' AND "Transfer window" = 'winter'