query: #List of Dutch municipalities and their provinces per 1-1-2019, and the number of lat-lon values in P625
  
  #Zie ook: 
  #https://almanak.overheid.nl/organisaties/Gemeenten/ - 355 in aantal
  #https://nl.wikipedia.org/wiki/Lijst_van_Nederlandse_gemeenten - 355 in aantal
  
  SELECT 
  ?item ?itemLabel ?itemDescription ?provinceLabel (COUNT(?itemLoc) AS ?NumberOfLatLonValues) 
  
  WHERE {
    ?item wdt:P31 wd:Q2039348. #current munic of NL
    OPTIONAL{?item wdt:P131 ?province.}
    OPTIONAL{?item schema:description ?itemDescription. FILTER(LANG(?itemDescription) = "nl") }    
    OPTIONAL {?item wdt:P625 ?itemLoc. }
  
    SERVICE wikibase:label {
      bd:serviceParam wikibase:language "nl".
      ?item rdfs:label ?itemLabel.
      ?province rdfs:label ?provinceLabel.
    }
    MINUS {?item wdt:P31 wd:Q7265977.} #filter out former muncipalities
    
  }
  GROUP BY ?item ?itemLabel ?itemDescription ?provinceLabel ?NumberOfLatLonValues
  ORDER BY ?itemLabel