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_228973_11 (directed_by VARCHAR, original_air_date VARCHAR)
### Question:
Who directed the episode which originally aired February 4, 2005?
### Answer:
SELECT directed_by FROM table_228973_11 WHERE original_air_date = "February 4, 2005"