Were M3 , M4 , and M5 edited by M2 's editor and written by a French cinematographer
SELECT count(*) WHERE {
?x0 a ns:film.cinematographer .
?x0 ns:people.person.nationality ns:m.0f8l9c .
?x1 ns:film.editor.film M2 .
M3 ns:film.film.edited_by ?x1 .
M3 ns:film.film.written_by ?x0 .
M4 ns:film.film.edited_by ?x1 .
M4 ns:film.film.written_by ?x0 .
M5 ns:film.film.edited_by ?x1 .
M5 ns:film.film.written_by ?x0
}