Question: What country has Palace of Knossoc and capital city Athens?
Answer(s):
answer: Greece

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0ksnn)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0ksnn ns:location.location.containedby ?x .
?x ns:location.country.capital ns:m.0n2z . 
}