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)

What are the nationalities and ages of journalists?
SELECT nationality, age FROM journalist
SELECT "nationality", "age" FROM "journalist"