query: SELECT ?item ?itemLabel ?wikiLabel ?dbname (strafter(?pagetitle, ":") as ?cat)
  # ?about
  {
  	?item wdt:P3713 ?value .
  	?about schema:about ?value .
    	?about schema:isPartOf ?wikiurl .
    	?wiki wdt:P1800 ?dbname ; wdt:P856 ?wikiurl .
    	?about schema:name ?pagetitle . 
  	SERVICE wikibase:label { bd:serviceParam wikibase:language "en"  }    
  }
  LIMIT 1000