question: Were M2 and M4 produced by a film director 's child , produced by M1 's child , and edited by M3
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: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 M3 .
  M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M2 ns:film.film.produced_by|ns:film.film.production_companies ?x2 .
  M4 ns:film.film.edited_by M3 .
  M4 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M4 ns:film.film.produced_by|ns:film.film.production_companies ?x2
  }