Did M2 and M4 write M3 and edit a film whose distributor distributed M1
SELECT count(*) WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor ?x1 .
?x1 ns:film.film_distributor.films_distributed/ns:film.film_film_distributor_relationship.film M1 .
M2 ns:film.editor.film ?x0 .
M2 ns:film.writer.film M3 .
M4 ns:film.editor.film ?x0 .
M4 ns:film.writer.film M3
}