CREATE TABLE table_79656 ("Match" FLOAT, "Date" CLOB, "Opponent" CLOB, "Venue" CLOB, "Result" CLOB, "Attnd." FLOAT, "Report" CLOB)

Which match did FCR 2001 Duisburg participate as the opponent?
SELECT SUM("Match") FROM table_79656 WHERE "Opponent" = 'fcr 2001 duisburg'
SELECT SUM("Match") FROM "table_79656" WHERE "Opponent" = 'fcr 2001 duisburg'