Did M1 star M0 's sequel 's producer and executive producer
SELECT count(*) WHERE {
?x0 ns:film.producer.films_executive_produced ?x1 .
?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
?x1 ns:film.film.prequel M0 .
M1 ns:film.film.starring/ns:film.performance.actor ?x0
}