CREATE TABLE table_56900 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

How many people attended the game when the away team scored 10.11 (71)?
SELECT SUM("Crowd") FROM table_56900 WHERE "Away team score" = '10.11 (71)'
SELECT SUM("Crowd") FROM "table_56900" WHERE "Away team score" = '10.11 (71)'