question: Did a Japanese film producer that played M3 and played M4 , M5 , M6 , and M7 produce M2
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  ?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.character M5 .
  ?x0 ns:film.actor.film/ns:film.performance.character M6 .
  ?x0 ns:film.actor.film/ns:film.performance.character M7 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M2 .
  ?x0 ns:people.person.nationality ns:m.03_3d
  }