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 city (city VARCHAR, regional_population INTEGER)
  ### Question:
  Please give me a list of cities whose regional population is over 8000000 or under 5000000.
  ### Answer:
  SELECT city FROM city WHERE regional_population > 10000000 UNION SELECT city FROM city WHERE regional_population < 5000000