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_42 (points INTEGER, year VARCHAR, class VARCHAR)
### Question:
What is the sum of Points, when Year is after 1959, and when Class is 250cc?
### Answer:
SELECT SUM(points) FROM table_name_42 WHERE year > 1959 AND class = "250cc"