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_1828368_1 (pop_density__km_2__ VARCHAR, area__km_2__ VARCHAR)
  ### Question:
  What are the population densities of all communes with an are of 28.3 sq.km.?
  ### Answer:
  SELECT pop_density__km_2__ FROM table_1828368_1 WHERE area__km_2__ = "28.3"