Find the total passengers of London Waterloo?
select total_passengers from station where name = "London Waterloo"
How many Number of Platforms in station id 2?
select number_of_platforms from station where station_id = 2
What are the Main Services of station id 3?
select main_services from station where station_id = 3
Show all locations which don't have a train station with at least 15 platforms.
select location from station except select location from station where number_of_platforms > = 15