SELECT DISTINCT T1.creation FROM department AS T1 JOIN management AS T2 ON T1.department_id  =  T2.department_id JOIN head AS T3 ON T2.head_id  =  T3.head_id WHERE T3.born_state  =  'Alabama'
What are the distinct creation years of the departments managed by a secretary born in state 'Alabama'?
[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);