CREATE TABLE news_report (journalist_id DECIMAL, event_id DECIMAL, work_type TEXT)
CREATE TABLE event (event_id DECIMAL, date TEXT, venue TEXT, name TEXT, event_attendance DECIMAL)
CREATE TABLE journalist (journalist_id DECIMAL, name TEXT, nationality TEXT, age TEXT, years_working DECIMAL)

Show the different nationalities and the number of journalists of each nationality.
SELECT nationality, COUNT(*) FROM journalist GROUP BY nationality
SELECT "nationality", COUNT(*) FROM "journalist" GROUP BY "nationality"