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