query: SELECT avg(ticket_price) ,  min(ticket_price) ,  max(ticket_price) FROM exhibition WHERE YEAR  <  2009
question: What average, minimum, and maximum ticket price exhibition that happen prior 2009?
query_toks: SELECT avg ( ticket_price ) , min ( ticket_price ) , max ( ticket_price ) FROM exhibition WHERE YEAR < 2009
query_toks_no_value: select avg ( ticket_price ) , min ( ticket_price ) , max ( ticket_price ) from exhibition where year < value
question_toks: What average, minimum, and maximum ticket price exhibition that happen prior 2009?