Show me the names of trains that run through a station serviced by Greater Anglia.
select t3.name from station as t1 join route as t2 on t1.id = t2.station_id join train as t3 on t2.train_id = t3.id where t1.services = "Greater Anglia";
How about stations for local authority Chiltern?
select t3.name from station as t1 join route as t2 on t1.id = t2.station_id join train as t3 on t2.train_id = t3.id where t1.local_authority = "Chiltern";
For these, also provide the times of each train.
select t3.name, t3.time from station as t1 join route as t2 on t1.id = t2.station_id join train as t3 on t2.train_id = t3.id where t1.local_authority = "Chiltern";