query: #All ski resorts in Switzerland per Canton with coordinates
  #defaultView:Map
  #  ?item                 p:P625         ?statementnode.
  #  ?statementnode      psv:P625         ?valuenode.
  #  ?valuenode     wikibase:geoLatitude  ?lat.
  #  ?valuenode     wikibase:geoLongitude ?lon.
  SELECT ?item ?itemLabel ?coord ?prominence ?layer ?image WHERE {
    ?item wdt:P31 wd:Q8502. # a mountain
    ?item wdt:P625 ?coord. 
    ?item wdt:P17 wd:Q39. # in Switzerland
    ?item wdt:P2660 ?prominence .
    BIND(
      IF(?prominence < 1000, "<1000 metres",
      IF(?prominence < 2000, "1000 - 2000 metres",
      IF(?prominence < 3000, "2000 - 3000 metres",
      IF(?prominence < 4000, "3000 - 4000 metres",
      "> 4000 metres"))))
      AS ?layer).
    OPTIONAL {?item wdt:P18 ?image.}
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  }