SELECT DISTINCT T2.Type FROM nomination AS T1 JOIN artwork AS T2 ON T1.Artwork_ID  =  T2.Artwork_ID JOIN festival_detail AS T3 ON T1.Festival_ID  =  T3.Festival_ID WHERE T3.Year  =  2007
Show distinct types of artworks that are nominated in festivals in 2007.
SELECT DISTINCT T2.Type FROM nomination AS T1 JOIN artwork AS T2 ON T1.Artwork_ID = T2.Artwork_ID JOIN festival_detail AS T3 ON T1.Festival_ID = T3.Festival_ID WHERE T3.Year = 2007
select distinct t2 . type from nomination as t1 join artwork as t2 on t1 . artwork_id = t2 . artwork_id join festival_detail as t3 on t1 . festival_id = t3 . festival_id where t3 . year = value
Show distinct types of artworks that are nominated in festivals in 2007 .