Question: What team founded before 1947 played in the 2010 NBA finals?
Answer(s):
answer: Boston Celtics

SPARQL query:
#MANUAL SPARQL
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
  {
    ns:m.0bx_x85 ns:sports.sports_championship_event.champion ?x .
  }
  UNION
  {
    ns:m.0bx_x85 ns:sports.sports_championship_event.runner_up ?x . 
  }?x ns:sports.sports_team.founded ?num .
FILTER (?num < "1947"^^xsd:dateTime) . 
}