Was a film 's sequel 's art director , cinematographer , and editor M1
SELECT count(*) WHERE {
?x0 ns:film.film.prequel ?x1 .
?x1 a ns:film.film .
M1 ns:film.cinematographer.film ?x0 .
M1 ns:film.editor.film ?x0 .
M1 ns:film.film_art_director.films_art_directed ?x0
}