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_17356205_1 (title VARCHAR, directed_by VARCHAR)
### Question:
How many titles are given for the episode directed by Joanna Kerns?
### Answer:
SELECT COUNT(title) FROM table_17356205_1 WHERE directed_by = "Joanna Kerns"