Was M1 directed by M0 's sequel 's executive producer , writer , and director
SELECT count(*) WHERE {
?x0 ns:film.director.film ?x1 .
?x0 ns:film.producer.films_executive_produced ?x1 .
?x0 ns:film.writer.film ?x1 .
?x1 ns:film.film.prequel M0 .
M1 ns:film.film.directed_by ?x0
}