Was M4 written by M5 and executive produced by a male British cinematographer that M1 employed
SELECT count(*) WHERE {
?x0 a ns:film.cinematographer .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x0 ns:people.person.gender ns:m.05zppz .
?x0 ns:people.person.nationality ns:m.07ssc .
M4 ns:film.film.executive_produced_by ?x0 .
M4 ns:film.film.written_by M5
}