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 (written_by VARCHAR, original_air_date VARCHAR)
### Question:
The episode which originally aired on December 17, 2004  was written by whom?
### Answer:
SELECT written_by FROM table_228973_11 WHERE original_air_date = "December 17, 2004"