What is the theme, date, and attendance for the exhibition in year 2004?
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
theme, date, and attendance for the exhibition refers to selecting T2.theme, T1.date, T1.attendance; in year 2004 refers to WHERE T2.year = 2004; joining two tables (exhibition_record and exhibition) refers to JOIN on a common identifier (exhibition_id).