question: Was M3 edited by a film director 's child , directed by M2 's Mexican director , and edited by M4
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 a ns:film.director .
  ?x2 ns:film.director.film M2 .
  ?x2 ns:people.person.nationality ns:m.0b90_r .
  M3 ns:film.film.directed_by ?x2 .
  M3 ns:film.film.edited_by ?x0 .
  M3 ns:film.film.edited_by M4
  }