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_13301516_1 (directed_by VARCHAR, original_air_date VARCHAR)
### Question:
Who directed the episode that originally aired on January 15, 2008?
### Answer:
SELECT directed_by FROM table_13301516_1 WHERE original_air_date = "January 15, 2008"