machine_question: what type of books did the author who published editions for The labours of Hercules wrote
question: What type of books were written by the author who published editions for "The Labours of Hercules"?
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:book.author.book_editions_published ns:m.04v19jb . 
  ?c ns:people.person.profession ?x .
  }
  
webqsp_question: what type of books did agatha christie wrote