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_15026994_3 (original_air_date VARCHAR, director VARCHAR)
### Question:
What is the original air date of the episode directed by Paul Marcus?
### Answer:
SELECT original_air_date FROM table_15026994_3 WHERE director = "Paul Marcus"