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_41 (format VARCHAR, catalog VARCHAR, date VARCHAR)
### Question:
What is the Format of the September 22, 2008 release with Catalog number RTRADCD491?
### Answer:
SELECT format FROM table_name_41 WHERE catalog = "rtradcd491" AND date = "september 22, 2008"