SELECT avg(ticket_price) ,  min(ticket_price) ,  max(ticket_price) FROM exhibition WHERE YEAR  <  2009
Show the average, minimum, and maximum ticket prices for exhibitions for all years before 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 < value
Show the average , minimum , and maximum ticket prices for exhibitions for all years before 2009 .