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_21500850_1 (song_title VARCHAR, artist VARCHAR)
### Question:
How many song titles belong to the artist Ratt?
### Answer:
SELECT COUNT(song_title) FROM table_21500850_1 WHERE artist = "Ratt"