Question: Name the political party of which Adolph Hitler and Carl Voss were members.?
Answer(s):
answer: Nazi Party

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.07_m9_)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.07_m9_ ns:government.politician.party ?y .
?y ns:government.political_party_tenure.party ?x .
?x ns:government.political_party.politicians_in_this_party ?c .
?c ns:government.political_party_tenure.politician ns:g.11h1sxprh . 
}