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_22673956_1 (type VARCHAR, track VARCHAR)
### Question:
How many types of tracks are there on the Phoenix International raceway?
### Answer:
SELECT COUNT(type) FROM table_22673956_1 WHERE track = "Phoenix International Raceway"