How many Crowd that has a Date on saturday, 29 january and an Away team of collingwood?
CREATE TABLE table_48420 (
    "Home team" text,
    "Home team score" text,
    "Away team" text,
    "Away team score" text,
    "Ground" text,
    "Crowd" real,
    "Date" text
)
SELECT AVG("Crowd") FROM table_48420 WHERE "Date" = 'saturday, 29 january' AND "Away team" = 'collingwood'
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 Crowd that has a Date on saturday, 29 january and an Away team of collingwood? ### Input: CREATE TABLE table_48420 (
    "Home team" text,
    "Home team score" text,
    "Away team" text,
    "Away team score" text,
    "Ground" text,
    "Crowd" real,
    "Date" text
) ### Response: SELECT AVG("Crowd") FROM table_48420 WHERE "Date" = 'saturday, 29 january' AND "Away team" = 'collingwood'