machine_question: where did the person that said "The sky is no longer the limit." die
question: What city was the place of death for the person who quoted "The sky is no longer the limit."?
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.quotations ns:m.048kkrd . 
  ?c ns:people.deceased_person.place_of_death ?x .
  }
  
webqsp_question: where did richard nixon die