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_19860361_4 (huckleberry_hound VARCHAR, air_date VARCHAR)
### Question:
How many Huckleberry Hound episodes were aired on 1960.09.18?
### Answer:
SELECT COUNT(huckleberry_hound) FROM table_19860361_4 WHERE air_date = "1960.09.18"