CREATE TABLE station (Station_ID INT, Name TEXT, Annual_entry_exit FLOAT, Annual_interchanges FLOAT, Total_Passengers FLOAT, Location TEXT, Main_Services TEXT, Number_of_Platforms INT)
CREATE TABLE train_station (Train_ID INT, Station_ID INT)
CREATE TABLE train (Train_ID INT, Name TEXT, Time TEXT, Service TEXT)

How many locations? Draw a bar chart, order by the Y from high to low.
SELECT Location, COUNT(Location) FROM station GROUP BY Location ORDER BY COUNT(Location) DESC
SELECT "Location", COUNT("Location") FROM "station" GROUP BY "Location" ORDER BY COUNT("Location") DESC NULLS LAST