Was M0 a film that M2 and M3 edited and directed
SELECT count(*) WHERE {
M0 a ns:film.film .
M0 ns:film.film.directed_by M2 .
M0 ns:film.film.directed_by M3 .
M0 ns:film.film.edited_by M2 .
M0 ns:film.film.edited_by M3
}