question: Did M2 star M3 and star a sibling of a Chinese founder of a production company
query: SELECT count(*) WHERE {
  ?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:organization.organization_founder.organizations_founded ?x2 .
  ?x1 ns:people.person.nationality ns:m.0d05w3 .
  ?x2 a ns:film.production_company .
  FILTER ( ?x0 != ?x1 ) .
  M2 ns:film.film.starring/ns:film.performance.actor ?x0 .
  M2 ns:film.film.starring/ns:film.performance.actor M3
  }