machine_question: what killed the artist which recorded The Candyman
question: What killed the artist who recorded The Candyman?
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:music.featured_artist.recordings ns:m.012qdbkn . 
  ?c ns:people.deceased_person.cause_of_death ?x .
  }
  
webqsp_question: what killed sammy davis jr