SELECT Investor, COUNT(Investor) FROM entrepreneur GROUP BY Investor
Show the number of companies each investor has invested with a bar chart.
CREATE TABLE entrepreneur (
    Entrepreneur_ID int,
    People_ID int,
    Company text,
    Money_Requested real,
    Investor text
)

CREATE TABLE people (
    People_ID int,
    Name text,
    Height real,
    Weight real,
    Date_of_Birth text
)