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_17 (population INTEGER, area__km_2__ VARCHAR, code VARCHAR)
### Question:
What is the average population for an area less than 433.7km and a 23013 code?
### Answer:
SELECT AVG(population) FROM table_name_17 WHERE area__km_2__ < 433.7 AND code = 23013