query: SELECT ?item ?itemLabel ?massifLabel ?elevation ?prominence ?isolation ?coords WHERE {
    ?item wdt:P361 ?massif .
    ?massif wdt:P361* wd:Q1286 .
    OPTIONAL { ?item wdt:P2044 ?elevation . }
    OPTIONAL { ?item wdt:P2660 ?prominence . }
    OPTIONAL { ?item wdt:P2659 ?isolation . }
    ?item wdt:P625 ?coords .
    FILTER ( ?prominence >= 1500 )
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en" . }
  }
  ORDER BY DESC(?prominence) ?itemLabel