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_17467578_1 (original_airdate VARCHAR, episode__number VARCHAR)
### Question:
What is the original air date of episode 8?  Answer: Dec. 21, 2006
### Answer:
SELECT COUNT(original_airdate) FROM table_17467578_1 WHERE episode__number = 8