Were M2 , M4 , M5 , M6 , and M7 directed by a art director that was employed by M1 and edited by M3
SELECT count(*) WHERE {
?x0 a ns:film.film_art_director .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
M2 ns:film.film.directed_by ?x0 .
M2 ns:film.film.edited_by M3 .
M4 ns:film.film.directed_by ?x0 .
M4 ns:film.film.edited_by M3 .
M5 ns:film.film.directed_by ?x0 .
M5 ns:film.film.edited_by M3 .
M6 ns:film.film.directed_by ?x0 .
M6 ns:film.film.edited_by M3 .
M7 ns:film.film.directed_by ?x0 .
M7 ns:film.film.edited_by M3
}