machine_question: what to do downtown sacramento and the place is an amusement park that opened 1986
question: Which amusement park in downtown Sacramento opened in 1986?
sparql: PREFIX ns: <http://rdf.freebase.com/ns/>
  SELECT DISTINCT ?x
  WHERE {
  FILTER (?x != ns:m.07bcn)
  FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
  ns:m.07bcn ns:travel.travel_destination.tourist_attractions ?x .
  ?x ns:amusement_parks.park.opened "1986"^^xsd:dateTime . 
  }
webqsp_question: what to do downtown sacramento