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

What is the total revenue of companies started by founder Plot them as bar chart, and could you order by the Y in asc?
SELECT Founder, SUM(Revenue) FROM Manufacturers GROUP BY Founder ORDER BY SUM(Revenue)
SELECT "Founder", SUM("Revenue") FROM "Manufacturers" GROUP BY "Founder" ORDER BY SUM("Revenue") NULLS FIRST