Did a sequel of M0 star a film editor and star a screenwriter
SELECT count(*) WHERE {
?x0 ns:film.film.prequel M0 .
?x0 ns:film.film.starring/ns:film.performance.actor ?x1 .
?x0 ns:film.film.starring/ns:film.performance.actor ?x2 .
?x1 a ns:film.editor .
?x2 a ns:film.writer
}