question: Was M2 founded by M1 's actor 's employer 's employee 's Chinese sibling
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.nationality ns:m.0d05w3 .
  ?x0 ns:people.person.sibling_s/ns:people.sibling_relationship.sibling|ns:fictional_universe.fictional_character.siblings/ns:fictional_universe.sibling_relationship_of_fictional_characters.siblings ?x1 .
  ?x1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x2 .
  ?x2 ns:business.employer.employees/ns:business.employment_tenure.person ?x3 .
  ?x3 ns:film.actor.film/ns:film.performance.character M1 .
  FILTER ( ?x0 != ?x1 ) .
  M2 ns:organization.organization.founders ?x0
  }