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_18424435_5 (us_air_date VARCHAR, directed_by VARCHAR)
### Question:
How many air dates where directed by jim donovan?
### Answer:
SELECT COUNT(us_air_date) FROM table_18424435_5 WHERE directed_by = "Jim Donovan"