machine_question: the subject of the film The Genius of Charles Darwin married to
question: Who is the subject of the movie "The Genius of Charles Darwin" married to?
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:film.film_subject.films ns:m.04grvxq . 
  ?c ns:people.person.spouse_s ?y .
  ?y ns:people.marriage.spouse ?x .
  ?y ns:people.marriage.type_of_union ns:m.04ztj .
  }
  
webqsp_question: who was charles darwin married to