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

Plot the number of name by grouped by name as a bar graph
SELECT Name, COUNT(Name) FROM train GROUP BY Name
SELECT "Name", COUNT("Name") FROM "train" GROUP BY "Name"