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