Was M3 distributed by M4 and produced by a British star of M1 and M2
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.film M1 .
?x0 ns:film.actor.film/ns:film.performance.film M2 .
?x0 ns:people.person.nationality ns:m.07ssc .
M3 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor M4 .
M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}