machine_question: what is the country where Cass beer is made 's capital city
question: What is the capital of th country that produced Cass beer?
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:food.beer_country_region.beers_from_here ns:m.04dmw8t . 
  ?c ns:location.country.capital ?x .
  }
  
webqsp_question: what is south korea 's capital city