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_10 (year INTEGER, chassis VARCHAR, points VARCHAR)
### Question:
What is the year with a Kurtis Kraft 500a chassis, and less than 1.5 points?
### Answer:
SELECT SUM(year) FROM table_name_10 WHERE chassis = "kurtis kraft 500a" AND points < 1.5