CREATE TABLE table_21980 ("Season" TEXT, "Division North" TEXT, "Division South" TEXT, "Division East" TEXT, "Division West" TEXT, "Division Southwest" TEXT)

what is the division southwest when division south was ko uf and division east was osogovo
SELECT "Division Southwest" FROM table_21980 WHERE "Division South" = 'Kožuf' AND "Division East" = 'Osogovo'
SELECT "Division Southwest" FROM "table_21980" WHERE "Division East" = 'Osogovo' AND "Division South" = 'Kožuf'