Question: What sport played in Canada has a defender on its roster?
Answer(s):
answer: Canada men's national soccer team
answer: Canada men's national soccer team
answer: Canada men's national soccer team
answer: Canada men's national soccer team
answer: Canada men's national soccer team
answer: Canada men's national soccer team
answer: Canada men's national soccer team
answer: Canada men's national soccer team
answer: Canada men's national soccer team
answer: Canada men's national soccer team
answer: Canada men's national soccer team
answer: Canada men's national soccer team
answer: Canada men's national soccer team
answer: Canada women's national soccer team
answer: Canada women's national soccer team

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0d060g)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0d060g ns:sports.sports_team_location.teams ?x .
?x ns:sports.sports_team.roster ?c .
?c ns:sports.sports_team_roster.position ns:m.02_j1w . 
}