Was a country of nationality of a Chinese employee of M0 , M1 , and M2 M4
SELECT count(*) WHERE {
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
?x0 ns:people.person.nationality ns:m.0d05w3 .
M4 ^ns:people.person.nationality ?x0
}