question: Were M1 , M4 , M5 , and M6 written by M2 , written by M3 , and produced by a film distributor '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 a ns:film.film_distributor .
  M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M1 ns:film.film.written_by M2 .
  M1 ns:film.film.written_by M3 .
  M4 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M4 ns:film.film.written_by M2 .
  M4 ns:film.film.written_by M3 .
  M5 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M5 ns:film.film.written_by M2 .
  M5 ns:film.film.written_by M3 .
  M6 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M6 ns:film.film.written_by M2 .
  M6 ns:film.film.written_by M3
  }