Was M1 edited by a cinematographer of M0 's prequel and written by M2 and M3
SELECT count(*) WHERE {
?x0 ns:film.cinematographer.film ?x1 .
?x1 ns:film.film.sequel M0 .
M1 ns:film.film.edited_by ?x0 .
M1 ns:film.film.written_by M2 .
M1 ns:film.film.written_by M3
}