When 4 is the episode what is the air date?
CREATE TABLE table_28980706_4 (
    first_air_date VARCHAR,
    episode VARCHAR
)
SELECT first_air_date FROM table_28980706_4 WHERE episode = 4
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: When 4 is the episode what is the air date? ### Input: CREATE TABLE table_28980706_4 (
    first_air_date VARCHAR,
    episode VARCHAR
) ### Response: SELECT first_air_date FROM table_28980706_4 WHERE episode = 4