CREATE TABLE table_57821 ("Name" TEXT, "Country" TEXT, "Status" TEXT, "Moving to" TEXT, "Transfer window" TEXT, "Transfer fee" TEXT)

What is the status of bel with a Transfer window of winter?
SELECT "Status" FROM table_57821 WHERE "Country" = 'bel' AND "Transfer window" = 'winter'
SELECT "Status" FROM "table_57821" WHERE "Country" = 'bel' AND "Transfer window" = 'winter'