Did M3 star a actor of M0 and star M1 's British executive producer
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.character M0 .
?x1 ns:film.producer.films_executive_produced M1 .
?x1 ns:people.person.nationality ns:m.07ssc .
M3 ns:film.film.starring/ns:film.performance.actor ?x0 .
M3 ns:film.film.starring/ns:film.performance.actor ?x1
}