query: SELECT ?item (CONCAT("[[Wikidata:WikiProject sum of all paintings/Creator/",?name, "|list]]") AS ?listlink) (COUNT(DISTINCT(?painting)) AS ?count) WHERE {
    ?painting wdt:P31 wd:Q3305213 .
    ?painting wdt:P170 ?item .
    ?item wdt:P21 wd:Q6581072.
    ?painting p:P528 ?catalogstatement .
    ?catalogstatement ps:P528 ?catalogid . 
    ?catalogstatement pq:P972 ?catalog .
   
    SERVICE wikibase:label {
      bd:serviceParam wikibase:language "en" .
      ?item rdfs:label ?name . }
    } GROUP BY ?item ?name ?listlink 
  ORDER BY DESC(?count)
  LIMIT 200