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_20726262_4 (writtenby VARCHAR, production_code VARCHAR)
### Question:
what is the written by and production code is 3wab03?
### Answer:
SELECT writtenby FROM table_20726262_4 WHERE production_code = "3WAB03"