question: Did M7 star a Italian executive producer of M0 , M1 , M2 , M3 , M4 , and M5
query: SELECT count(*) WHERE {
  ?x0 ns:film.producer.films_executive_produced M0 .
  ?x0 ns:film.producer.films_executive_produced M1 .
  ?x0 ns:film.producer.films_executive_produced M2 .
  ?x0 ns:film.producer.films_executive_produced M3 .
  ?x0 ns:film.producer.films_executive_produced M4 .
  ?x0 ns:film.producer.films_executive_produced M5 .
  ?x0 ns:people.person.nationality ns:m.03rjj .
  M7 ns:film.film.starring/ns:film.performance.actor ?x0
  }