question: Were M2 and M4 directed by a editor and star of M0 and M1 and executive produced by M3
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.film M0 .
  ?x0 ns:film.actor.film/ns:film.performance.film M1 .
  ?x0 ns:film.editor.film M0 .
  ?x0 ns:film.editor.film M1 .
  M2 ns:film.film.directed_by ?x0 .
  M2 ns:film.film.executive_produced_by M3 .
  M4 ns:film.film.directed_by ?x0 .
  M4 ns:film.film.executive_produced_by M3
  }