Question: show the train name and station name for each train.
Schema: create table station (name varchar, station_id varchar, PRIMARY KEY (name)); create table train (name varchar, train_id varchar, PRIMARY KEY (name)); create table train_station (station_id varchar, train_id varchar, PRIMARY KEY (station_id))
SQL: select t2.name, t3.name from train_station as t1 join station as t2 on t1.station_id = t2.station_id join train as t3 on t3.train_id = t1.train_id