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
Which location has the most number of train stations?
assistant
SELECT location , COUNT( * ) FROM station GROUP by Location ORDER by COUNT( * ) desc LIMIT 1;
human
What is the total number of passengers do train station in london has ?
assistant
SELECT SUM( Total_Passengers ) FROM station WHERE Location = 'London';
human
How many number of platforms do they have? | could you give more info of your problem? it the 'they' station id or location? | What is the number of platforms does train station in london has?
assistant
SELECT SUM( Number_of_Platforms ) FROM station WHERE Location = 'London';
human
What is the name of the train station in londom?
assistant
SELECT Name FROM station WHERE Location = "London" ;