Question: What midwest US state has the capital named Des Moines?
Answer(s):
answer: Iowa

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0q76g)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0q76g ns:location.location.contains ?x .
?x ns:location.us_state.capital ns:m.02j3w . 
}