Who was a producer of a sequel of a film whose director played M2
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
?x1 ns:film.film.prequel ?x2 .
?x2 a ns:film.film .
?x2 ns:film.film.directed_by ?x3 .
?x3 ns:film.actor.film/ns:film.performance.character M2
}