Was M1 edited by M2 , edited by M0 's sequel 's director , and directed by M3
SELECT count(*) WHERE {
?x0 ns:film.director.film ?x1 .
?x1 ns:film.film.prequel M0 .
M1 ns:film.film.directed_by M3 .
M1 ns:film.film.edited_by ?x0 .
M1 ns:film.film.edited_by M2
}