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 (director VARCHAR, _number VARCHAR)
### Question:
Who is the director of the episode at entry number 13? 
### Answer:
SELECT director FROM table_15026994_3 WHERE _number = 13