Were M1 and M4 edited by M2 , written by a film editor 's employer 's founder , and directed by M3
SELECT count(*) WHERE {
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
?x2 a ns:film.editor .
M1 ns:film.film.directed_by M3 .
M1 ns:film.film.edited_by M2 .
M1 ns:film.film.written_by ?x0 .
M4 ns:film.film.directed_by M3 .
M4 ns:film.film.edited_by M2 .
M4 ns:film.film.written_by ?x0
}