query: SELECT DISTINCT Destroyed_by_Employee_ID FROM Documents_to_be_destroyed
question: Show id all employee who finish destroy document.
query_toks: SELECT DISTINCT Destroyed_by_Employee_ID FROM Documents_to_be_destroyed
query_toks_no_value: select distinct destroyed_by_employee_id from documents_to_be_destroyed
question_toks: Show id all employee who finish destroy document.