Question: Who owned Wikimedia Foundation and was the speaker in WikiSym 2012?
Answer(s):
answer: Jimmy Wales

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.01c7j1)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.01c7j1 ns:organization.organization.board_members ?y .
?y ns:organization.organization_board_membership.member ?x .
?x ns:event.public_speaker.speeches_or_presentations ?c .
?c ns:event.speech_or_presentation.event ns:m.0n550t9 . 
}