Was M2 edited by M3 , edited by M4 , and written by M1 's American cinematographer
SELECT count(*) WHERE {
?x0 ns:film.cinematographer.film M1 .
?x0 ns:people.person.nationality ns:m.09c7w0 .
M2 ns:film.film.edited_by M3 .
M2 ns:film.film.edited_by M4 .
M2 ns:film.film.written_by ?x0
}