Question: What art was created by both David veldt and Leonardo da Vinci?
Answer(s):
answer: Drawing

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.04lg6)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.04lg6 ns:visual_art.visual_artist.art_forms ?x .
?x ns:interests.hobby.people_with_this_hobby ns:m.0zvyd72 . 
}