Question: The team that won the Super Bowl XLIV championship's football stadium was named what?
Answer(s):
answer: Mercedes-Benz Superdome

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.championships ns:m.04_0gs . 
?c ns:sports.sports_team.arena_stadium ?x .
}