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 driver (home_city VARCHAR, age INTEGER)
  ### Question:
  Show all home cities except for those having a driver older than 40.
  ### Answer:
  SELECT home_city FROM driver EXCEPT SELECT home_city FROM driver WHERE age > 40