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_8 (Id VARCHAR)
### Question:
What is the sum of 1938 values where 1933 values are under 68.3 and 1940 valures are under 4.02?
### Answer:
SELECT SUM(1938) FROM table_name_8 WHERE 1933 < 68.3 AND 1940 < 4.02