question: Did M3 direct M4 and executive produce a film that was edited by M2 and starred M1
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film .
  ?x0 ns:film.film.edited_by M2 .
  ?x0 ns:film.film.starring/ns:film.performance.actor M1 .
  M3 ns:film.director.film M4 .
  M3 ns:film.producer.films_executive_produced ?x0
  }