Was M1 produced by a company 's employee 's employer and written by M2 and M3
SELECT count(*) WHERE {
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x2 .
?x2 a ns:business.employer .
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
}