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_29747178_2 (series__number VARCHAR, directed_by VARCHAR)
### Question:
What is the series # when the director is john showalter?
### Answer:
SELECT series__number FROM table_29747178_2 WHERE directed_by = "John Showalter"