Were M2 and M4 written by M1 's prequel 's art director , written by M0 's parent , and edited by M3
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:film.film_art_director.films_art_directed ?x2 .
?x2 ns:film.film.sequel M1 .
M2 ns:film.film.edited_by M3 .
M2 ns:film.film.written_by ?x0 .
M2 ns:film.film.written_by ?x1 .
M4 ns:film.film.edited_by M3 .
M4 ns:film.film.written_by ?x0 .
M4 ns:film.film.written_by ?x1
}