What screenwriter founded M1 's cinematographer 's employer
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.writer .
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
?x2 ns:film.cinematographer.film M1
}