Was M3 a writer , director , and executive producer of a film whose writer was employed by M1 and founded M2
SELECT count(*) WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.written_by ?x1 .
?x1 ns:organization.organization_founder.organizations_founded M2 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
M3 ns:film.director.film ?x0 .
M3 ns:film.producer.films_executive_produced ?x0 .
M3 ns:film.writer.film ?x0
}