CREATE TABLE table_10826 ("Date" TEXT, "Stadium" TEXT, "Winners" TEXT, "Runners-up" TEXT, "Score" TEXT, "Attendance" FLOAT)

Who was the winner when the runner-up was Chemnitzer FC II?
SELECT "Winners" FROM table_10826 WHERE "Runners-up" = 'chemnitzer fc ii'
SELECT "Winners" FROM "table_10826" WHERE "Runners-up" = 'chemnitzer fc ii'