Was M1 employed by a film director 's country of nationality , employed by M2 , and employed by M3
SELECT count(*) WHERE {
?x0 ^ns:people.person.nationality ?x1 .
?x1 a ns:film.director .
M1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0 .
M1 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
M1 ns:people.person.employment_history/ns:business.employment_tenure.company M3
}