machine_question: when did the the team won the 1957 NBA Finals championship win championship
question: What other years did the champion of the 1957 NBA Finals win the Championship?
sparql: 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.0cs2n0 . 
  ?c ns:sports.sports_team.championships ?x .
  }
  
webqsp_question: when did the celtics win championship