Were M2 and M4 directed by a Dutch director of M1 and directed by M3
SELECT count(*) WHERE {
?x0 ns:film.director.film M1 .
?x0 ns:people.person.nationality ns:m.059j2 .
M2 ns:film.film.directed_by ?x0 .
M2 ns:film.film.directed_by M3 .
M4 ns:film.film.directed_by ?x0 .
M4 ns:film.film.directed_by M3
}