query: 
  
  
  SELECT DISTINCT ?item ?itemLabel ?location ?locationLabel ?creator ?creatorLabel 
  
  WHERE { ?item (wdt:P31/wdt:P279*) wd:Q4502142 .
          #using broader "visual artwork" here and both "instance of" and "subclass of" to include paintings/prints etc
          ?item wdt:P170 wd:Q150679 . #creator is Anthony Van Dyck 
          ?item wdt:P276 ?location . #define location
          ?item wdt:P170 ?creator . #define creator
          
         
         FILTER ( ?location = wd:Q190804 || ?location = wd:Q19675 ) #location defined earlier is either...
                 
         SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
                
                }