Did M4 's employer 's German founder direct M1 and M2 and direct M3
SELECT count(*) WHERE {
?x0 ns:film.director.film M1 .
?x0 ns:film.director.film M2 .
?x0 ns:film.director.film M3 .
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x0 ns:people.person.nationality ns:m.0345h .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M4
}