CREATE TABLE train (train_id DECIMAL, name TEXT, time TEXT, service TEXT)
CREATE TABLE train_station (train_id DECIMAL, station_id DECIMAL)
CREATE TABLE station (station_id DECIMAL, name TEXT, annual_entry_exit DECIMAL, annual_interchanges DECIMAL, total_passengers DECIMAL, location TEXT, main_services TEXT, number_of_platforms DECIMAL)

How many train stations are there?
SELECT COUNT(*) FROM station
SELECT COUNT(*) FROM "station"