Was M1 edited by M2 , written by a production company 's founder and employee , and edited by M3
SELECT count(*) WHERE {
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x1 a ns:film.production_company .
M1 ns:film.film.edited_by M2 .
M1 ns:film.film.edited_by M3 .
M1 ns:film.film.written_by ?x0
}