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_21164557_1 (no_in_series INTEGER, directed_by VARCHAR)
### Question:
What episode number in the series was directed by John Behring?
### Answer:
SELECT MAX(no_in_series) FROM table_21164557_1 WHERE directed_by = "John Behring"