List the original air date for week 5.
CREATE TABLE table_22904780_1 (original_air_date VARCHAR, rank__week_ VARCHAR)
SELECT original_air_date FROM table_22904780_1 WHERE rank__week_ = 5
### Context: CREATE TABLE table_22904780_1 (original_air_date VARCHAR, rank__week_ VARCHAR) ### Question: List the original air date for week 5. ### Answer: SELECT original_air_date FROM table_22904780_1 WHERE rank__week_ = 5