machine_question: what kind of money do they use in the country that has the national anthem National Anthem of Russia
question: What kind of currency is used in the country that has National Anthem of Russia?
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.country.national_anthem ?k .
  ?k ns:government.national_anthem_of_a_country.anthem ns:m.01ptxd . 
  ?c ns:location.country.currency_used ?x .
  }
  
webqsp_question: what kind of money do they use in russia