CREATE TABLE climber (Climber_ID NUMBER, Name CLOB, Country CLOB, Time CLOB, Points FLOAT, Mountain_ID NUMBER)
CREATE TABLE mountain (Mountain_ID NUMBER, Name CLOB, Height FLOAT, Prominence FLOAT, Range CLOB, Country CLOB)

A bar chart for returning the number of the countries of the mountains that have a height larger than 5000.
SELECT Country, COUNT(Country) FROM mountain WHERE Height > 5000 GROUP BY Country
SELECT "Country", COUNT("Country") FROM "mountain" WHERE "Height" > 5000 GROUP BY "Country"