Question: What was the birthplace of the person about whom "Gore Vidal's Lincoln" was written?
Answer(s):
answer: Hodgenville

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:film.film_subject.films ns:m.04j21rb . 
?c ns:people.person.place_of_birth ?x .
?x ns:common.topic.notable_types ns:m.01m9 .
}