query: #Check that every public library branch has: Labels and descriptions in NL and EN + Native name in NL
  SELECT DISTINCT ?item ?native_label ?itemLabelNL ?itemLabelEN ?itemDescriptionNL ?itemDescriptionEN  
  
  WHERE 
  {
    ?item (p:P31/ps:P31) wd:Q28564,wd:Q11396180;wdt:P17 wd:Q55. 
  
    OPTIONAL{?item wdt:P1705 ?native_label.} #native label P1705
    OPTIONAL{?item rdfs:label ?itemLabelNL FILTER(LANG(?itemLabelNL)='nl').}
    OPTIONAL{?item rdfs:label ?itemLabelEN FILTER(LANG(?itemLabelEN)='en').}
    OPTIONAL{?item schema:description ?itemDescriptionNL FILTER(LANG(?itemDescriptionNL) = "nl"). }  
    OPTIONAL{?item schema:description ?itemDescriptionEN FILTER(LANG(?itemDescriptionEN) = "en"). }       
  }
  ORDER BY ?item