Question: In what state did the architect who designed Mount Vernon live?
Answer(s):
answer: New York
answer: Pennsylvania
answer: Virginia

SPARQL query:
#MANUAL SPARQL
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
?c ns:architecture.architect.structures_designed ns:m.013v2f . 
?c ns:people.person.places_lived ?y .
  ?y ns:people.place_lived.location ?z .
  ?z ns:location.location.containedby ?x .
  ?x ns:common.topic.notable_types ns:m.0kpys4 .  #US State
}