How big was the crowd at the game the away team geelong played at?
CREATE TABLE table_57686 (
    "Home team" text,
    "Home team score" text,
    "Away team" text,
    "Away team score" text,
    "Venue" text,
    "Crowd" real,
    "Date" text
)
SELECT SUM("Crowd") FROM table_57686 WHERE "Away team" = 'geelong'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: How big was the crowd at the game the away team geelong played at? ### Input: CREATE TABLE table_57686 (
    "Home team" text,
    "Home team score" text,
    "Away team" text,
    "Away team score" text,
    "Venue" text,
    "Crowd" real,
    "Date" text
) ### Response: SELECT SUM("Crowd") FROM table_57686 WHERE "Away team" = 'geelong'