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_name_23 (points INTEGER, engine VARCHAR, year VARCHAR)
### Question:
What is the average points of a Cosworth v8 engine in 1973.
### Answer:
SELECT AVG(points) FROM table_name_23 WHERE engine = "cosworth v8" AND year = 1973