text: 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_43 (region INTEGER, area__km_2__ VARCHAR, population VARCHAR)
  ### Question:
  What is the average region that has an Area (km 2 ) of 451.79, and a Population under 496,257?
  ### Answer:
  SELECT AVG(region) FROM table_name_43 WHERE area__km_2__ = 451.79 AND population < 496 OFFSET 257