Was a founder and employee of M1 and M2 a person that directed M3
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:film.director.film M3 .
?x0 ns:organization.organization_founder.organizations_founded M1 .
?x0 ns:organization.organization_founder.organizations_founded M2 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M2
}