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_21 (density_per_km² INTEGER, number__map_ VARCHAR, area_in_km² VARCHAR)
  ### Question:
  Which Density per km² is the lowest one that has a Number (map) smaller than 13, and an Area in km² of 11.1?
  ### Answer:
  SELECT MIN(density_per_km²) FROM table_name_21 WHERE number__map_ < 13 AND area_in_km² = 11.1