query: SELECT ?item ?itemLabel ?height ?adminLabel
  {
    ?item p:P2048/psn:P2048/wikibase:quantityAmount ?height ;  # normalized height
          wdt:P31 wd:Q11303 .      
    OPTIONAL { ?item wdt:P131 ?admin } 
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en" } 
  }
  ORDER BY DESC(?height)
  LIMIT 50