Question: What state did the architect who designed Poplar Forest live in?
Answer(s):
answer: Virginia

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:architecture.architect.structures_designed ns:m.02kpf3 . 
?c ns:people.person.places_lived ?y .
?y ns:people.place_lived.location ?x .
?x ns:common.topic.notable_types ns:m.0kpys4 .
}