List the description, code and the number of services for each service type.
SELECT T1.Service_Type_Description ,  T2.Service_Type_Code ,  COUNT(*) FROM Ref_Service_Types AS T1 JOIN Services AS T2 ON T1.Service_Type_Code  =  T2.Service_Type_Code GROUP BY T2.Service_Type_Code
SELECT T1.Service_Type_Description ,  T2.Service_Type_Code ,  COUNT(*) FROM Ref_Service_Types AS T1 JOIN Services AS T2 ON T1.Service_Type_Code  =  T2.Service_Type_Code GROUP BY T2.Service_Type_Code
[{'Service_Type_Description': 'provide photo service', 'Service_Type_Code': '1', 'COUNT(*)': 5}, {'Service_Type_Description': 'provide dinning service', 'Service_Type_Code': '2', 'COUNT(*)': 5}, {'Service_Type_Description': 'provide filming service', 'Service_Type_Code': '3', 'COUNT(*)': 3}, {'Service_Type_Description': 'provide adv promoting service', 'Service_Type_Code': '4', 'COUNT(*)': 2}]