Were M2 and M4 produced by a employer of a actor , edited by M3 , and executive produced by M0 's writer
SELECT count(*) WHERE {
?x0 ns:film.writer.film M0 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
?x2 a ns:film.actor .
M2 ns:film.film.edited_by M3 .
M2 ns:film.film.executive_produced_by ?x0 .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x1 .
M4 ns:film.film.edited_by M3 .
M4 ns:film.film.executive_produced_by ?x0 .
M4 ns:film.film.produced_by|ns:film.film.production_companies ?x1
}