Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE station (name VARCHAR, station_id VARCHAR); CREATE TABLE train_station (name VARCHAR, station_id VARCHAR)
### Question:
Show station names without any trains.
### Answer:
SELECT name FROM station WHERE NOT station_id IN (SELECT station_id FROM train_station)