CREATE TABLE table_633 ("Season" FLOAT, "Champion" TEXT, "Motorcycle" TEXT, "Wins" FLOAT, "2nd pl." FLOAT, "3rd pl." FLOAT, "Team" TEXT)

Name the champion for 3rd place being 4 and 2nd place being larger than 4.0
SELECT "Champion" FROM table_633 WHERE "3rd pl." = '4' AND "2nd pl." > '4.0'
SELECT "Champion" FROM "table_633" WHERE "2nd pl." > '4.0' AND "3rd pl." = '4'