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_21994729_2 (written_by VARCHAR, prod_code VARCHAR)
### Question:
Who wore the episode with the production code of 1apx11?
### Answer:
SELECT written_by FROM table_21994729_2 WHERE prod_code = "1APX11"