Question: In what years did the team whose home stadium is Oriole Park at Camden Yards play in the World Series?
Answer(s):
answer: 1983 World Series
answer: 1970 World Series
answer: 1966 World Series

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:sports.sports_team.arena_stadium ns:m.01x1l0 . 
?c ns:sports.sports_team.championships ?x .
}