Find the states which do not have any employee in their record.
SELECT state_province_county FROM addresses WHERE address_id NOT IN (SELECT employee_address_id FROM Employees)
SELECT state_province_county FROM addresses WHERE address_id NOT IN (SELECT employee_address_id FROM Employees)
[{'state_province_county': 'Colorado'}, {'state_province_county': 'Idaho'}, {'state_province_county': 'Maine'}, {'state_province_county': 'Washington'}]