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 stock (Device_ID VARCHAR); CREATE TABLE device (Carrier VARCHAR, Device_ID VARCHAR)
  ### Question:
  Show the carriers of devices in stock at more than one shop.
  ### Answer:
  SELECT T2.Carrier FROM stock AS T1 JOIN device AS T2 ON T1.Device_ID = T2.Device_ID GROUP BY T1.Device_ID HAVING COUNT(*) > 1