CREATE TABLE table_55548 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

How many were in attendance when the away team scored 8.13 (61)?
SELECT SUM("Crowd") FROM table_55548 WHERE "Away team score" = '8.13 (61)'
SELECT SUM("Crowd") FROM "table_55548" WHERE "Away team score" = '8.13 (61)'