Were M2 and M3 written by a child of M0 and edited by M1 's art director and director
SELECT count(*) WHERE {
?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent M0 .
?x1 ns:film.director.film M1 .
?x1 ns:film.film_art_director.films_art_directed M1 .
M2 ns:film.film.edited_by ?x1 .
M2 ns:film.film.written_by ?x0 .
M3 ns:film.film.edited_by ?x1 .
M3 ns:film.film.written_by ?x0
}