Question: Marc HeuÃinger is a person in the organization which originated when?
Answer(s):
answer: Essen

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ?c)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
?c ns:organization.organization.leadership ?k .
?k ns:organization.leadership.person ns:m.0w2v70z . 
?c ns:organization.organization.place_founded ?x .
}