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