question: Were M1 , M3 , and M4 edited by M2 and written by a film 's producer 's child
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x1 .
  ?x1 ns:film.producer.film|ns:film.production_company.films ?x2 .
  ?x2 a ns:film.film .
  M1 ns:film.film.edited_by M2 .
  M1 ns:film.film.written_by ?x0 .
  M3 ns:film.film.edited_by M2 .
  M3 ns:film.film.written_by ?x0 .
  M4 ns:film.film.edited_by M2 .
  M4 ns:film.film.written_by ?x0
  }