What are the staff ids and genders of all staffs whose job title is Department Manager?
SELECT T1.staff_id ,  T1.staff_gender FROM staff AS T1 JOIN staff_department_assignments AS T2 ON T1.staff_id  =  T2.staff_id WHERE T2.job_title_code  =  "Department Manager"
SELECT T1.staff_id ,  T1.staff_gender FROM staff AS T1 JOIN staff_department_assignments AS T2 ON T1.staff_id  =  T2.staff_id WHERE T2.job_title_code  =  "Department Manager"
[{'staff_id': 5, 'staff_gender': '0'}, {'staff_id': 15, 'staff_gender': '1'}, {'staff_id': 6, 'staff_gender': '1'}]