machine_question: the person who once lived in Downe, Kent married to
question: Who married to the person who lived in Downe, Kent?
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:people.person.places_lived ?k .
  ?k ns:people.place_lived.location ns:m.030r7l4 . 
  ?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