machine_question: where did the the body of water under Bridge of Hope end
question: What body of water does the river that flows under the Bridge of hope empty in 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:geography.body_of_water.bridges ns:m.0df768 . 
  ?c ns:geography.river.mouth ?x .
  }
  
webqsp_question: where did the mississippi river end