instruction: Show the name and number of employees for the departments managed by heads whose temporary acting value is 'Yes' by a bar chart, order by the y-axis in asc.
response: SELECT Name, AVG(Num_Employees) FROM department AS T1 JOIN management AS T2 ON T1.department_ID = T2.department_ID WHERE T2.temporary_acting = 'Yes' GROUP BY Name ORDER BY AVG(Num_Employees)