Show the station name with the greatest number of trains, please.
select t2.name from train_station as t1 join station as t2 on t1.station_id = t2.station_id group by t1.station_id order by count ( * ) desc limit 1
What is the location of that station?
select t2.location from train_station as t1 join station as t2 on t1.station_id = t2.station_id group by t1.station_id order by count ( * ) desc limit 1
What are the main services of that station?
select t2.main_services from train_station as t1 join station as t2 on t1.station_id = t2.station_id group by t1.station_id order by count ( * ) desc limit 1
What is the station id of that station?
select t2.station_id from train_station as t1 join station as t2 on t1.station_id = t2.station_id group by t1.station_id order by count ( * ) desc limit 1
How many annual interchanges are at that station?
select t2.annual_interchanges from train_station as t1 join station as t2 on t1.station_id = t2.station_id group by t1.station_id order by count ( * ) desc limit 1
What is the name of the station with station id 3?
select name from station where station_id = 3