Question: For what was the subject of the picture "Vincent van Gogh, c. 1876, photographer unknown" well known?
Answer(s):
answer: Painter
answer: Visual Artist
answer: Artist

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ?c)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
?c ns:common.topic.image ns:m.0422pgj . 
?c ns:people.person.profession ?x .
}