question: What was a Chinese Swedish person 's country of nationality
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ^ns:people.person.nationality ?x1 .
  ?x1 a ns:people.person .
  ?x1 ns:people.person.nationality ns:m.0d05w3 .
  ?x1 ns:people.person.nationality ns:m.0d0vqn
  }