CREATE TABLE event (Event_ID NUMBER, Date CLOB, Venue CLOB, Name CLOB, Event_Attendance NUMBER)
CREATE TABLE news_report (journalist_ID NUMBER, Event_ID NUMBER, Work_Type CLOB)
CREATE TABLE journalist (journalist_ID NUMBER, Name CLOB, Nationality CLOB, Age CLOB, Years_working NUMBER)

Draw a bar chart of nationality versus the average of age, and list in asc by the Y-axis.
SELECT Nationality, AVG(Age) FROM journalist GROUP BY Nationality ORDER BY AVG(Age)
SELECT "Nationality", AVG("Age") FROM "journalist" GROUP BY "Nationality" ORDER BY AVG("Age")