Question: A team with a Right wing position and from Vancouver is coached by whom?
Answer(s):
answer: John Tortorella

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0jnnx)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0jnnx ns:sports.sports_team.coaches ?y .
?y ns:sports.sports_team_coach_tenure.coach ?x .
?x ns:sports.pro_athlete.teams ?c .
?c ns:sports.sports_team_roster.position ns:m.025658k . 
}