Question: What was made by the subject of the image "A 1954 U.S. stamp featuring George Eastman"?
Answer(s):
answer: Roll film

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.02bq48j . 
?c ns:law.inventor.inventions ?x .
}