Were M2 and M5 directed by M4 , written by M3 , and written by a British actor
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x0 ns:people.person.nationality ns:m.07ssc .
M2 ns:film.film.directed_by M4 .
M2 ns:film.film.written_by ?x0 .
M2 ns:film.film.written_by M3 .
M5 ns:film.film.directed_by M4 .
M5 ns:film.film.written_by ?x0 .
M5 ns:film.film.written_by M3
}