question: Were M2 and M4 edited by a child of M1 , written by a parent of M0 , and edited by M3
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child M0 .
  ?x1 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M1 .
  M2 ns:film.film.edited_by ?x1 .
  M2 ns:film.film.edited_by M3 .
  M2 ns:film.film.written_by ?x0 .
  M4 ns:film.film.edited_by ?x1 .
  M4 ns:film.film.edited_by M3 .
  M4 ns:film.film.written_by ?x0
  }