Which match did FCR 2001 Duisburg participate as the opponent?
CREATE TABLE table_name_39 (match INTEGER, opponent VARCHAR)
SELECT SUM(match) FROM table_name_39 WHERE opponent = "fcr 2001 duisburg"
### Context: CREATE TABLE table_name_39 (match INTEGER, opponent VARCHAR) ### Question: Which match did FCR 2001 Duisburg participate as the opponent? ### Answer: SELECT SUM(match) FROM table_name_39 WHERE opponent = "fcr 2001 duisburg"