Did M2 and M3 found a cinematographer 's employer and found M1 's producer
SELECT count(*) WHERE {
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x1 a ns:film.cinematographer .
?x2 ns:film.producer.film|ns:film.production_company.films M1 .
M2 ns:organization.organization_founder.organizations_founded ?x0 .
M2 ns:organization.organization_founder.organizations_founded ?x2 .
M3 ns:organization.organization_founder.organizations_founded ?x0 .
M3 ns:organization.organization_founder.organizations_founded ?x2
}