Were M1 and M4 written by M2 , produced by a film 's executive producer 's employer , and written by M3
SELECT count(*) WHERE {
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x1 ns:film.producer.films_executive_produced ?x2 .
?x2 a ns:film.film .
M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M1 ns:film.film.written_by M2 .
M1 ns:film.film.written_by M3 .
M4 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M4 ns:film.film.written_by M2 .
M4 ns:film.film.written_by M3
}