Were M2 and M4 produced by a cinematographer , directed by a person , and directed by M3
SELECT count(*) WHERE {
?x0 a ns:film.cinematographer .
?x1 a ns:people.person .
M2 ns:film.film.directed_by ?x1 .
M2 ns:film.film.directed_by M3 .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M4 ns:film.film.directed_by ?x1 .
M4 ns:film.film.directed_by M3 .
M4 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}