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_73 (points INTEGER, chassis VARCHAR, year VARCHAR)
### Question:
What point is the lowest for listings of chassis labeled AGS JH23 before 1988?
### Answer:
SELECT MIN(points) FROM table_name_73 WHERE chassis = "ags jh23" AND year < 1988