Was M1 's sequel 's director and writer M0 's writer and cinematographer
SELECT count(*) WHERE {
?x0 ns:film.cinematographer.film M0 .
?x0 ns:film.director.film ?x1 .
?x0 ns:film.writer.film ?x1 .
?x0 ns:film.writer.film M0 .
?x1 ns:film.film.prequel M1
}