machine_question: what date did the the sports team arena stadium is Hilltop Park win the world series
question: What baseball team plays at Hilltop Park and when did they win the World Series?
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.arena_stadium ns:m.039nhz . 
  ?c ns:sports.sports_team.championships ?x .
  ?x ns:time.event.end_date ?sk0 .
  }
  ORDER BY DESC(xsd:datetime(?sk0))
  LIMIT 1
  
webqsp_question: what date did the san francisco giants win the world series