Question: What invention was made by the topic in the image Whitney-Eli-LOC?
Answer(s):
answer: Milling
answer: Interchangeable parts
answer: Cotton gin

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.02bdh70 . 
?c ns:law.inventor.inventions ?x .
}