Was M4 produced by a cinematographer that directed M1 , M2 , and M3 and directed by M5 and M6
SELECT count(*) WHERE {
?x0 a ns:film.cinematographer .
?x0 ns:film.director.film M1 .
?x0 ns:film.director.film M2 .
?x0 ns:film.director.film M3 .
M4 ns:film.film.directed_by M5 .
M4 ns:film.film.directed_by M6 .
M4 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}