query: #title: Too long river
  # Complex constraint from [[Property talk:P1717]]
  # TODO: check the unit
  SELECT ?item ?long WHERE { 
    ?item wdt:P1717 [].
    ?item wdt:P2043 ?long .
    FILTER (?long > 1000).
    FILTER (?item NOT IN (wd:Q584, wd:Q1469)).
  } 
  ORDER BY ?item