Who was employed by M1 and M2 and employed by a country of nationality of M3 's cinematographer
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
?x1 ^ns:people.person.nationality ?x2 .
?x2 ns:film.cinematographer.film M3
}