Was M1 written by a film producer , written by M2 and M3 , written by M4 , and directed by M5
SELECT count(*) WHERE {
?x0 a ns:film.producer .
M1 ns:film.film.directed_by M5 .
M1 ns:film.film.written_by ?x0 .
M1 ns:film.film.written_by M2 .
M1 ns:film.film.written_by M3 .
M1 ns:film.film.written_by M4
}