CREATE TABLE journalist (journalist_ID NUMBER, Name CLOB, Nationality CLOB, Age CLOB, Years_working NUMBER)
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)

Visualize a bar chart, count and group by nationality from the journalist table.
SELECT Nationality, COUNT(Nationality) FROM journalist GROUP BY Nationality
SELECT "Nationality", COUNT("Nationality") FROM "journalist" GROUP BY "Nationality"