Which exhibitions were held in year 2004?
select * from exhibition where year = 2004
What were the themes for each?
select theme from exhibition where year = 2004
Can you also the dates, and attendances?
select t2.theme, t1.date, t1.attendance from exhibition_record as t1 join exhibition as t2 on t1.exhibition_id = t2.exhibition_id where t2.year = 2004