Did M2 's sequel star M0 , star M1 , and star a film producer
SELECT count(*) WHERE {
?x0 ns:film.film.prequel M2 .
?x0 ns:film.film.starring/ns:film.performance.actor ?x1 .
?x0 ns:film.film.starring/ns:film.performance.actor M0 .
?x0 ns:film.film.starring/ns:film.performance.actor M1 .
?x1 a ns:film.producer
}