Question: Of the baseball teams for which Jackie Robinson played, which had a Shortstop on their team roster?
Answer(s):
answer: Kansas City Monarchs
answer: Montreal Royals

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0443c)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0443c ns:sports.pro_athlete.teams ?y .
?y ns:sports.sports_team_roster.team ?x .
?x ns:sports.sports_team.sport ns:m.018jz .
?x ns:sports.sports_team.roster ?c .
?c ns:sports.sports_team_roster.position ns:m.017drs . 
}