Were M2 , M4 , M5 , and M6 edited by M3 and edited by M1 's sequel 's American cinematographer
SELECT count(*) WHERE {
?x0 ns:film.cinematographer.film ?x1 .
?x0 ns:people.person.nationality ns:m.09c7w0 .
?x1 ns:film.film.prequel M1 .
M2 ns:film.film.edited_by ?x0 .
M2 ns:film.film.edited_by M3 .
M4 ns:film.film.edited_by ?x0 .
M4 ns:film.film.edited_by M3 .
M5 ns:film.film.edited_by ?x0 .
M5 ns:film.film.edited_by M3 .
M6 ns:film.film.edited_by ?x0 .
M6 ns:film.film.edited_by M3
}