query: #title: value should be lower or equal to elevation
  # Complex constraint from [[Property talk:P2660]]
  # TODO: correct value or elevation, adjust ranks, define exceptions
  SELECT ?item ?itemLabel ?item_elevation ?value
  {
    ?item p:P7479 / psn:P7479 / wikibase:quantityAmount ?value .
    ?item p:P2044 / psn:P2044 / wikibase:quantityAmount ?item_elevation .
    FILTER( ?item_elevation >= ?value )
    FILTER( ?item not in ( wd:Q15397819 , wd:Q4115189 ) ) 
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
  }
  LIMIT 100