What's the Lowest Attendance with a Game site of Riverfront Stadium?
CREATE TABLE table_name_56 (
    attendance INTEGER,
    game_site VARCHAR
)
SELECT MIN(attendance) FROM table_name_56 WHERE game_site = "riverfront stadium"
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: What's the Lowest Attendance with a Game site of Riverfront Stadium? ### Input: CREATE TABLE table_name_56 (
    attendance INTEGER,
    game_site VARCHAR
) ### Response: SELECT MIN(attendance) FROM table_name_56 WHERE game_site = "riverfront stadium"