CREATE TABLE table_50446 ("Name" TEXT, "Country" TEXT, "Type" TEXT, "Moving from" TEXT, "Transfer window" TEXT, "Transfer fee" TEXT)

What is the name of the player with a transfer window in summer, an undisclosed transfer fee, and is moving from brussels?
SELECT "Name" FROM table_50446 WHERE "Transfer window" = 'summer' AND "Transfer fee" = 'undisclosed' AND "Moving from" = 'brussels'
SELECT "Name" FROM "table_50446" WHERE "Moving from" = 'brussels' AND "Transfer fee" = 'undisclosed' AND "Transfer window" = 'summer'