machine_question: what currency do the location that contains the city/town Rome have
question: What currency does the country where Rome is have?
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:location.location.contains ?k .
  ?k ns:location.mailing_address.citytown ns:m.06c62 . 
  ?c ns:location.country.currency_used ?x .
  }
  
webqsp_question: what currency do italy have