What is the sum of Points, when Year is after 1959, and when Class is 250cc?
CREATE TABLE table_name_42 (
    points INTEGER,
    year VARCHAR,
    class VARCHAR
)
SELECT SUM(points) FROM table_name_42 WHERE year > 1959 AND class = "250cc"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the sum of Points, when Year is after 1959, and when Class is 250cc? ### Input: CREATE TABLE table_name_42 (
    points INTEGER,
    year VARCHAR,
    class VARCHAR
) ### Response: SELECT SUM(points) FROM table_name_42 WHERE year > 1959 AND class = "250cc"