machine_question: what money does the subject of the film Death in a Cornfield use
question: What currency is used by the subject of the film Death in a Cornfied?
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:film.film_subject.films ns:m.0gx2_xj . 
  ?c ns:location.country.currency_used ?x .
  }
  
webqsp_question: what money does guatemala use