CREATE TABLE table_41309 ("Album" TEXT, "Release date" TEXT, "Label" TEXT, "Format" TEXT, "Covered Song" TEXT, "Original Song" TEXT)

What is the Label for the Covered Song named ' sign o' the times ' by prince .?
SELECT "Label" FROM table_41309 WHERE "Covered Song" = ' sign o'' the times " by prince .'
SELECT "Label" FROM "table_41309" WHERE "Covered Song" = ' sign o\' the times " by prince .'