Was M1 produced by and edited by M0 's sequel 's director , editor , and star
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.film ?x1 .
?x0 ns:film.director.film ?x1 .
?x0 ns:film.editor.film ?x1 .
?x1 ns:film.film.prequel M0 .
M1 ns:film.film.edited_by ?x0 .
M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}