Question: Show me the departments managed by heads whose temporary acting value is 'Yes', please | The table shows the ids of departments managed by heads whose temporary acting value is 'Yes'. | Great, could you tell me the name and number of employees within those departments?
SQL: SELECT T1.name ,  T1.num_employees FROM department AS T1 JOIN management AS T2 ON T1.department_id   =   T2.department_id WHERE T2.temporary_acting   =   'Yes'