Question: Who is the leader of the organization that Trevor Linden is a coach?
Answer(s):
answer: John Tortorella
answer: Alain Vigneault
answer: Willie Desjardins
answer: Doug Lidster

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.02n3b8 . 
?c ns:sports.sports_team.coaches ?y .
?y ns:sports.sports_team_coach_tenure.coach ?x .
}