Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_56 (attendance INTEGER, game_site VARCHAR)
### Question:
What's the Lowest Attendance with a Game site of Riverfront Stadium?
### Answer:
SELECT MIN(attendance) FROM table_name_56 WHERE game_site = "riverfront stadium"