question: Was a Japanese person that M2 , M3 , M4 , M5 , M6 , and M7 were written by and directed by M0
query: SELECT count(*) WHERE {
  M0 a ns:people.person .
  M0 ns:film.director.film M2 .
  M0 ns:film.director.film M3 .
  M0 ns:film.director.film M4 .
  M0 ns:film.director.film M5 .
  M0 ns:film.director.film M6 .
  M0 ns:film.director.film M7 .
  M0 ns:film.writer.film M2 .
  M0 ns:film.writer.film M3 .
  M0 ns:film.writer.film M4 .
  M0 ns:film.writer.film M5 .
  M0 ns:film.writer.film M6 .
  M0 ns:film.writer.film M7 .
  M0 ns:people.person.nationality ns:m.03_3d
  }