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_14 (points INTEGER, chassis VARCHAR, year VARCHAR)
### Question:
Name the average points for chassis of stevens and year less than 1950
### Answer:
SELECT AVG(points) FROM table_name_14 WHERE chassis = "stevens" AND year < 1950