CREATE TABLE exhibition (exhibition_id NUMBER, year NUMBER, theme CLOB, artist_id NUMBER, ticket_price NUMBER)
CREATE TABLE exhibition_record (exhibition_id NUMBER, date CLOB, attendance NUMBER)
CREATE TABLE artist (artist_id NUMBER, name CLOB, country CLOB, year_join NUMBER, age NUMBER)

What are the average, minimum, and maximum ticket prices for exhibitions that happened prior to 2009?
SELECT AVG(ticket_price), MIN(ticket_price), MAX(ticket_price) FROM exhibition WHERE year < 2009
SELECT AVG("ticket_price"), MIN("ticket_price"), MAX("ticket_price") FROM "exhibition" WHERE "year" < 2009