Were M2 and M5 produced by a production company 's British employee , executive produced by M3 , and written by M4
SELECT count(*) WHERE {
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x0 ns:people.person.nationality ns:m.07ssc .
?x1 a ns:film.production_company .
M2 ns:film.film.executive_produced_by M3 .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M2 ns:film.film.written_by M4 .
M5 ns:film.film.executive_produced_by M3 .
M5 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M5 ns:film.film.written_by M4
}