question: Did M2 , M3 , M4 , and M5 star a Italian director of M1
query: SELECT count(*) WHERE {
  ?x0 ns:film.director.film M1 .
  ?x0 ns:people.person.nationality ns:m.03rjj .
  M2 ns:film.film.starring/ns:film.performance.actor ?x0 .
  M3 ns:film.film.starring/ns:film.performance.actor ?x0 .
  M4 ns:film.film.starring/ns:film.performance.actor ?x0 .
  M5 ns:film.film.starring/ns:film.performance.actor ?x0
  }