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 Order_items (order_id VARCHAR)
  ### Question:
  Show the order ids and the number of items in each order.
  ### Answer:
  SELECT order_id, COUNT(*) FROM Order_items GROUP BY order_id