CREATE TABLE table_204_543 (id DECIMAL, "national team" TEXT, "title ( s ) \ represented" TEXT, "first\ worn" DECIMAL, "number\ of stars" DECIMAL, "notes" TEXT)

who was the last team to win the world cup ?
SELECT "national team" FROM table_204_543 WHERE "title(s)\nrepresented" = 'world cup' ORDER BY "first\nworn" DESC LIMIT 1
SELECT "national team" FROM "table_204_543" WHERE "title(s)\nrepresented" = 'world cup' ORDER BY "first\nworn" DESC NULLS LAST LIMIT 1