machine_question: where do the chicago cubs play and is the structure opened latest
question: Which place that houses the Chicago Cubs opened most recently?
sparql: PREFIX ns: <http://rdf.freebase.com/ns/>
  SELECT DISTINCT ?x
  WHERE {
  FILTER (?x != ns:m.01yjl)
  FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
  ns:m.01yjl ns:sports.sports_team.arena_stadium ?x .
  ?x ns:architecture.structure.opened ?num .
  }
  ORDER BY DESC(?num) LIMIT 1
webqsp_question: where do the chicago cubs play