SELECT Party, COUNT(*) FROM representative GROUP BY Party
What are the different parties of representative? Show the party name and the number of representatives in each party. Plot them as pie chart.
CREATE TABLE representative (
    Representative_ID int,
    Name text,
    State text,
    Party text,
    Lifespan text
)

CREATE TABLE election (
    Election_ID int,
    Representative_ID int,
    Date text,
    Votes real,
    Vote_Percent real,
    Seats real,
    Place real
)