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_87 (density__inhabitants_km_2__ INTEGER, city VARCHAR)
  ### Question:
  What is the lowest density of serravalle scrivia?
  ### Answer:
  SELECT MIN(density__inhabitants_km_2__) FROM table_name_87 WHERE city = "serravalle scrivia"