Question: Which baseball teams are in the American League?
Answer(s):
answer: Baltimore Orioles
answer: Kansas City Royals
answer: Oakland Athletics

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0h8b0)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0h8b0 ns:baseball.baseball_league.teams ?x .
?x ns:sports.sports_team.roster ?c .
?c ns:sports.sports_team_roster.position ns:m.01sdzg . 
}