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_2400842_1 (directed_by VARCHAR, prod__number VARCHAR)
### Question:
Who directed the epsiode with production number 109?
### Answer:
SELECT directed_by FROM table_2400842_1 WHERE prod__number = 109