Was M2 a costume designer that a production company whose employee and founder was employed by and founded M1 employed
SELECT count(*) WHERE {
?x0 a ns:film.production_company .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x0 ns:organization.organization.founders ?x1 .
?x1 ns:organization.organization_founder.organizations_founded M1 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
M2 a ns:film.film_costumer_designer .
M2 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0
}