CREATE TABLE Products (Code INT, Name VARCHAR, Price DECIMAL, Manufacturer INT)
CREATE TABLE Manufacturers (Code INT, Name VARCHAR, Headquarter VARCHAR, Founder VARCHAR, Revenue FLOAT)

Draw a bar chart of founder versus sum revenue, and display X in desc order.
SELECT Founder, SUM(Revenue) FROM Manufacturers GROUP BY Founder ORDER BY Founder DESC
SELECT "Founder", SUM("Revenue") FROM "Manufacturers" GROUP BY "Founder" ORDER BY "Founder" DESC NULLS LAST