Were M3 and M4 edited by a cinematographer that M1 was founded by and a production company employed
SELECT count(*) WHERE {
?x0 a ns:film.cinematographer .
?x0 ns:organization.organization_founder.organizations_founded M1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x1 a ns:film.production_company .
M3 ns:film.film.edited_by ?x0 .
M4 ns:film.film.edited_by ?x0
}