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 mailshot_campaigns (product_category VARCHAR)
  ### Question:
  Show all distinct product categories along with the number of mailshots in each category.
  ### Answer:
  SELECT product_category, COUNT(*) FROM mailshot_campaigns GROUP BY product_category