Was M2 written by , executive produced by , and edited by a film director that M1 employed
SELECT count(*) WHERE {
?x0 a ns:film.director .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
M2 ns:film.film.edited_by ?x0 .
M2 ns:film.film.executive_produced_by ?x0 .
M2 ns:film.film.written_by ?x0
}