machine_question: where did lauren conrad live and in which the fictional character Piper Halliwell was born
question: find the city that was once home to both lauren Conrad and fictitious character Piper Halliwell?
sparql: PREFIX ns: <http://rdf.freebase.com/ns/>
  SELECT DISTINCT ?x
  WHERE {
  FILTER (?x != ns:m.0dq9wx)
  FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
  ns:m.0dq9wx ns:people.person.places_lived ?y .
  ?y ns:people.place_lived.location ?x .
  ?x ns:fictional_universe.fictional_setting.fictional_characters_born_here ns:m.01ymlj . 
  }
webqsp_question: where did lauren conrad live