Show station names without any trains.
SELECT name FROM station WHERE station_id NOT IN (SELECT station_id FROM train_station)
SELECT name FROM station WHERE station_id NOT IN (SELECT station_id FROM train_station)
[{'Name': 'London Liverpool Street'}, {'Name': 'London Charing Cross'}, {'Name': 'Birmingham New Street'}, {'Name': 'London St Pancras'}, {'Name': 'Stratford'}]