Was M0 written by M1 , written by M2 , directed by M4 , and written by M3
SELECT count(*) WHERE {
M0 ns:film.film.directed_by M4 .
M0 ns:film.film.written_by M1 .
M0 ns:film.film.written_by M2 .
M0 ns:film.film.written_by M3
}