Was M1 written by M3 and M4 , written by a cinematographer , and executive produced by M2
SELECT count(*) WHERE {
?x0 a ns:film.cinematographer .
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
}