question: Was a film 's star , producer , and director M1
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film .
  M1 ns:film.actor.film/ns:film.performance.film ?x0 .
  M1 ns:film.director.film ?x0 .
  M1 ns:film.producer.film|ns:film.production_company.films ?x0
  }