instruction: What are the number of the names of the workshop groups that have bookings with status code 'stop'?, sort Store_Name in desc order.
response: SELECT Store_Name, COUNT(Store_Name) FROM Bookings AS T1 JOIN Drama_Workshop_Groups AS T2 ON T1.Workshop_Group_ID = T2.Workshop_Group_ID WHERE T1.Status_Code = "stop" GROUP BY Store_Name ORDER BY Store_Name DESC