query: SELECT ?actor ?actorLabel ?FilmCount WHERE {
    {
      SELECT ?actor (COUNT(?film) AS ?FilmCount) WHERE {
    ?film wdt:P57 wd:Q193648.
    ?film wdt:P161 ?actor.
      }
      GROUP BY ?actor
    }
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
  }
  ORDER BY DESC(?FilmCount)