Did a producer , executive producer , and director of M1 's prequel edit and direct M0
SELECT count(*) WHERE {
?x0 ns:film.director.film ?x1 .
?x0 ns:film.director.film M0 .
?x0 ns:film.editor.film M0 .
?x0 ns:film.producer.films_executive_produced ?x1 .
?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
?x1 ns:film.film.sequel M1
}