machine_question: who was the vice president when the person education institution is Ramble Elementary was in office
question: Who was the vice president of the President who attended Ramble Elementary School?
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:people.person.education ?k .
  ?k ns:education.education.institution ns:m.0b6xvr8 . 
  ?c ns:government.us_president.vice_president ?x .
  }
  
webqsp_question: who was the vice president when bill clinton was in office