Question: Where was the Palace of Knossos located that contains the wine regions that produces Retsina wine?
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:wine.wine_region.wine_styles ns:m.01jg9j . 
}