Was M0 a Chinese cinematographer employed by M2 and employed by M3
SELECT count(*) WHERE {
M0 a ns:film.cinematographer .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
M0 ns:people.person.nationality ns:m.0d05w3
}