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_83 (points INTEGER, chassis VARCHAR, year VARCHAR)
### Question:
What is the number of points for the vehicle with a mp4-17d chassis earlier than 2003?
### Answer:
SELECT SUM(points) FROM table_name_83 WHERE chassis = "mp4-17d" AND year < 2003