CREATE TABLE table_name_46 (away VARCHAR, plyff VARCHAR, opponent VARCHAR)

Which away team has a playoff record of (0-0) and played against Sioux City Bandits?
SELECT away FROM table_name_46 WHERE plyff = "(0-0)" AND opponent = "sioux city bandits"
SELECT "away" FROM "table_name_46" WHERE "(0-0)" = "plyff" AND "opponent" = "sioux city bandits"