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

what are the average and maximum attendances of all events?
SELECT AVG(event_attendance), MAX(event_attendance) FROM event
SELECT AVG("event_attendance"), MAX("event_attendance") FROM "event"