machine_question: where did the public speaker which spoke about Watergate scandal die
question: It what city the the speaker on the Watergate scandal pass away?
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:event.public_speaker.speeches_or_presentations ?k .
  ?k ns:event.speech_or_presentation.speech_topic ns:m.0ds0x . 
  ?c ns:people.deceased_person.place_of_death ?x .
  }
  
webqsp_question: where did richard nixon die