How many employees does each role have? List role description, id and number of employees.
SELECT T1.role_description ,  T2.role_code ,  count(*) FROM ROLES AS T1 JOIN Employees AS T2 ON T1.role_code = T2.role_code GROUP BY T2.role_code;
SELECT T1.role_description ,  T2.role_code ,  count(*) FROM ROLES AS T1 JOIN Employees AS T2 ON T1.role_code = T2.role_code GROUP BY T2.role_code;
[{'role_description': 'Editor', 'role_code': 'ED', 'count(*)': 2}, {'role_description': 'Manager', 'role_code': 'MG', 'count(*)': 1}, {'role_description': 'Proof Manager', 'role_code': 'PR', 'count(*)': 1}, {'role_description': 'Photo', 'role_code': 'PT', 'count(*)': 2}]