Question: Lila Tretikov is a person in the organization owned by whom?
Answer(s):
answer: Jan-Bart de Vreede
answer: Frieda Brioschi
answer: Stuart West
answer: Domas Mituzas
answer: Michael Snow
answer: Florence Devouard
answer: Jimmy Wales
answer: Ting Chen
answer: Kat Walsh

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.010gpl04 . 
?c ns:organization.organization.board_members ?y .
?y ns:organization.organization_board_membership.member ?x .
}