Question: Which was the Super Bowl, won with a 21 - 10 score, that the Seattle Seahawks played in?
Answer(s):
answer: Super Bowl XL

SPARQL query:
#MANUAL SPARQL
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT  ?x
WHERE {
  ns:m.06x5s ns:sports.sports_championship.events ?x . # Super Bowl
  {
    { ?x ns:sports.sports_championship_event.runner_up ns:m.070xg . ?x ns:sports.sports_championship_event.result "21-10"@en . 
} # Seattle Seahawks
    UNION
    { ?x ns:sports.sports_championship_event.champion ns:m.070xg . ?x ns:sports.sports_championship_event.result "21-10"@en . 
} # Seattle Seahawks
  ?x ns:sports.sports_championship_event.result "21-10"@en . 
}
  ?x ns:time.event.start_date ?d .
?x ns:sports.sports_championship_event.result "21-10"@en . 
}