query: SELECT ?painting ?paintingLabel ?creator ?creatorLabel
  { 
    ?painting wdt:P31 wd:Q3305213 .
    ?painting wdt:P170 ?creator .
    #      not                          human
    filter not exists {?creator wdt:P31 wd:Q5 .} .
    #      not                          artist collective
    filter not exists {?creator wdt:P31 wd:Q1400264 .} .
    # anonymous is OK
    filter (?creator != wd:Q4233718) .
    
    SERVICE wikibase:label {
       bd:serviceParam wikibase:language "en" .} .
  }