Question: The person who once lived in Downe, Kent wrote what on book on evolution?
Answer(s):
answer: The Voyage of the Beagle
answer: The Descent of Man, and Selection in Relation to Sex
answer: On evolution
answer: On Natural Selection
answer: From so simple a beginning
answer: The Autobiography of Charles Darwin
answer: The Expression of the Emotions in Man and Animals
answer: Insectivorous Plants
answer: On the origin of species by means of natural selection
answer: The Correspondence of Charles Darwin, Volume 1: 1821-1836

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:people.person.places_lived ?k .
?k ns:people.place_lived.location ns:m.030r7l4 . 
?c ns:book.author.works_written ?x .
?x ns:common.topic.notable_types ns:m.01xryvm .
?x ns:book.written_work.subjects ns:m.02j8z .
}