How many people attended the game against the pittsburgh steelers?
CREATE TABLE table_name_21 (
    attendance VARCHAR,
    opponent VARCHAR
)
SELECT attendance FROM table_name_21 WHERE opponent = "pittsburgh steelers"
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 attended the game against the pittsburgh steelers? ### Input: CREATE TABLE table_name_21 (
    attendance VARCHAR,
    opponent VARCHAR
) ### Response: SELECT attendance FROM table_name_21 WHERE opponent = "pittsburgh steelers"