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_1231892_4 (us_air_date VARCHAR, broadcast_order VARCHAR)
### Question:
What's the original air date of the episode with a broadcast order s04 e01?
### Answer:
SELECT us_air_date FROM table_1231892_4 WHERE broadcast_order = "S04 E01"