CREATE TABLE table_57686 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

How big was the crowd at the game the away team geelong played at?
SELECT SUM("Crowd") FROM table_57686 WHERE "Away team" = 'geelong'
SELECT SUM("Crowd") FROM "table_57686" WHERE "Away team" = 'geelong'