Question: Which US state has Carson City as its capital and is also where Roswell Area 51 can be found?
Answer(s):
answer: Nevada

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0yjq)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0yjq ns:location.location.containedby ?x .
?x ns:location.us_state.capital ns:m.0235l . 
}