Were M3 and M6 employed by M4 and M5 and employed by a film distributor that M1 and M2 founded
SELECT count(*) WHERE {
?x0 a ns:film.film_distributor .
?x0 ns:organization.organization.founders M1 .
?x0 ns:organization.organization.founders M2 .
M3 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
M3 ns:people.person.employment_history/ns:business.employment_tenure.company M4 .
M3 ns:people.person.employment_history/ns:business.employment_tenure.company M5 .
M6 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
M6 ns:people.person.employment_history/ns:business.employment_tenure.company M4 .
M6 ns:people.person.employment_history/ns:business.employment_tenure.company M5
}