query: SELECT ?item ?itemLabel 
    (SAMPLE(?bn) as ?bn)
    ?itemDescription 
    (SAMPLE(?sl) as ?sl)
    (SAMPLE(?st) as ?st)
    (COUNT(DISTINCT ?director) as ?dir)
    (COUNT(DISTINCT ?actor) as ?act)
    (SAMPLE(?film) as ?sample)
  WHERE
  {
      ?film wdt:P31 wd:Q11424; wdt:P495 wd:Q902 .
      { ?film wdt:P57 ?item . BIND(?film as ?director)  }
      UNION
      { ?film wdt:P161 ?item . BIND(?film as ?actor) } .
  	SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
      OPTIONAL { ?item rdfs:label ?bn . FILTER(lang(?bn)="bn" )  }
      OPTIONAL { ?item wikibase:statements ?st ; wikibase:sitelinks ?sl }
  }
  GROUP BY ?item ?itemLabel ?itemDescription
  ORDER BY ?itemLabel