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_18268930_1 (population_served INTEGER)
  ### Question:
  What's the minimal number of population served?
  ### Answer:
  SELECT MIN(population_served) FROM table_18268930_1