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