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_27547668_4 (original_airdate VARCHAR, written_by VARCHAR)
### Question:
what is the number of original airdate written by allan hawco?
### Answer:
SELECT COUNT(original_airdate) FROM table_27547668_4 WHERE written_by = "Allan Hawco"