machine_question: what to do in laughlin nevada and is the structure opened after 1966
question: What two structures opened after 1966 in Laughlin, Nevada?
sparql: PREFIX ns: <http://rdf.freebase.com/ns/>
  SELECT DISTINCT ?x
  WHERE {
  FILTER (?x != ns:m.020bkmh)
  FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
  ns:m.020bkmh ns:location.location.contains ?x .
  ?x ns:architecture.structure.opened ?num .
  FILTER (?num > "1966"^^xsd:dateTime) . 
  }
webqsp_question: what to do in laughlin nevada