How many people in total have attended games where carlton played as away?
CREATE TABLE table_52820 (
    "Home team" text,
    "Home team score" text,
    "Away team" text,
    "Away team score" text,
    "Venue" text,
    "Crowd" real,
    "Date" text
)
SELECT COUNT("Crowd") FROM table_52820 WHERE "Away team" = 'carlton'
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 many people in total have attended games where carlton played as away? ### Input: CREATE TABLE table_52820 (
    "Home team" text,
    "Home team score" text,
    "Away team" text,
    "Away team score" text,
    "Venue" text,
    "Crowd" real,
    "Date" text
) ### Response: SELECT COUNT("Crowd") FROM table_52820 WHERE "Away team" = 'carlton'