question: Did a person that M1 was executive produced by , starred , and was directed by play M2 , M3 , and M4
query: SELECT count(*) WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:film.actor.film/ns:film.performance.character M2 .
  ?x0 ns:film.actor.film/ns:film.performance.character M3 .
  ?x0 ns:film.actor.film/ns:film.performance.character M4 .
  ?x0 ns:film.actor.film/ns:film.performance.film M1 .
  ?x0 ns:film.director.film M1 .
  ?x0 ns:film.producer.films_executive_produced M1
  }