query: SELECT ?item ?itemLabel ?itemDescription ?statements ?sitelinks (COUNT(DISTINCT ?a) as ?incoming_itemlinks)
  {
  	?item wdt:P31 wd:Q21484471 . 
      ?item wikibase:statements ?statements ; wikibase:sitelinks ?sitelinks .
      OPTIONAL { ?p wikibase:directClaim ?wdt . 
                 ?a ?wdt ?item }
  	SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
  }
  GROUP BY ?item ?itemLabel ?itemDescription ?statements ?sitelinks