question: Was M1 produced by a film 's art director 's child , written by M3 , and executive produced by M2
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.film_art_director.films_art_directed ?x2 .
  ?x2 a ns:film.film .
  M1 ns:film.film.executive_produced_by M2 .
  M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M1 ns:film.film.written_by M3
  }