Was M1 written by M3 and M4 , written by a film producer , executive produced by M2 , and edited by M5
SELECT count(*) WHERE {
?x0 a ns:film.producer .
M1 ns:film.film.edited_by M5 .
M1 ns:film.film.executive_produced_by M2 .
M1 ns:film.film.written_by ?x0 .
M1 ns:film.film.written_by M3 .
M1 ns:film.film.written_by M4
}