SELECT Nationality, AVG(Age) FROM journalist GROUP BY Nationality ORDER BY AVG(Age)
Visualize a bar chart for what are the nationalities and their average ages of journalists?, show in asc by the total number please.
CREATE TABLE news_report (
    journalist_ID int,
    Event_ID int,
    Work_Type text
)

CREATE TABLE journalist (
    journalist_ID int,
    Name text,
    Nationality text,
    Age text,
    Years_working int
)

CREATE TABLE event (
    Event_ID int,
    Date text,
    Venue text,
    Name text,
    Event_Attendance int
)