Show the id of each employee and the number of document destruction authorised by that employee.
SELECT Destruction_Authorised_by_Employee_ID ,  count(*) FROM Documents_to_be_destroyed GROUP BY Destruction_Authorised_by_Employee_ID
SELECT Destruction_Authorised_by_Employee_ID ,  count(*) FROM Documents_to_be_destroyed GROUP BY Destruction_Authorised_by_Employee_ID
[{'Destruction_Authorised_by_Employee_ID': 30, 'count(*)': 1}, {'Destruction_Authorised_by_Employee_ID': 38, 'count(*)': 1}, {'Destruction_Authorised_by_Employee_ID': 55, 'count(*)': 3}, {'Destruction_Authorised_by_Employee_ID': 123, 'count(*)': 1}, {'Destruction_Authorised_by_Employee_ID': 156, 'count(*)': 2}, {'Destruction_Authorised_by_Employee_ID': 183, 'count(*)': 3}]