machine_question: what is there to see near the grand canyon and their annual visitors number is 4413668
question: What has 4413668 visitors per year and is near the Grand Canyon?
sparql: PREFIX ns: <http://rdf.freebase.com/ns/>
  SELECT DISTINCT ?x
  WHERE {
  FILTER (?x != ns:m.0cns5)
  FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
  ns:m.0cns5 ns:travel.tourist_attraction.near_travel_destination ?x .
  ?x ns:protected_sites.protected_site.annual_visitors ?c .
  ?c ns:measurement_unit.dated_integer.number "4413668" . 
  }
webqsp_question: what is there to see near the grand canyon