Were M2 and M4 directed by M1 's producer , executive produced by a employee of M0 , and directed by M3
SELECT count(*) WHERE {
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
?x1 ns:film.producer.film|ns:film.production_company.films M1 .
M2 ns:film.film.directed_by ?x1 .
M2 ns:film.film.directed_by M3 .
M2 ns:film.film.executive_produced_by ?x0 .
M4 ns:film.film.directed_by ?x1 .
M4 ns:film.film.directed_by M3 .
M4 ns:film.film.executive_produced_by ?x0
}