machine_question: what magazine did edgar allan poe work for and its editorial tnure was latest
question: For what magazine did Edgar Allan Poe have the latest editorial tenure?
sparql: PREFIX ns: <http://rdf.freebase.com/ns/>
  SELECT DISTINCT ?x
  WHERE {
  FILTER (?x != ns:m.02lt8)
  FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
  ns:m.02lt8 ns:book.periodical_editor.periodicals_edited ?y .
  ?y ns:book.editorial_tenure.periodical ?x .
  ?x ns:book.periodical.editorial_staff ?c .
  ?c ns:book.editorial_tenure.from ?num .
  }
  ORDER BY DESC(?num) LIMIT 1
webqsp_question: what magazine did edgar allan poe work for