human
Schema:
station (Station_ID, Name, Annual_entry_exit, Annual_interchanges, Total_Passengers, Location, Main_Services, Number_of_Platforms)
train (Train_ID, Name, Time, Service)
train_station (Train_ID, Station_ID)
Please answer with SQL.
assistant
Sure, I understand.
human
Show the station name with the greatest number of trains, please.
assistant
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;
human
What is the location of that station?
assistant
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;
human
What are the main services of that station?
assistant
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;
human
What is the station id of that station?
assistant
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 ;