question: Was M2 a employee of a Japanese person 's country of nationality
query: SELECT count(*) WHERE {
  ?x0 ^ns:people.person.nationality ?x1 .
  ?x1 a ns:people.person .
  ?x1 ns:people.person.nationality ns:m.03_3d .
  M2 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0
  }