SELECT T1.department_id ,  T1.name ,  count(*) FROM management AS T2 JOIN department AS T1 ON T1.department_id  =  T2.department_id GROUP BY T1.department_id HAVING count(*)  >  1
Which department has more than 1 head at a time? List the id, name and the number of heads.
[Schema (values) (types)]: | department_management |  department : department_id (text) , name (number) , creation (text) , ranking (text) , budget_in_billions (number) , num_employees (number) | head : head_id (text) , name (number) , born_state (text) , age (text) | management : department_id (text) , head_id (number) , temporary_acting (text);