question: Was a Chinese person that M2 and M3 were influenced by M0
query: SELECT count(*) WHERE {
  M0 a ns:people.person .
  M0 ns:influence.influence_node.influenced M2 .
  M0 ns:influence.influence_node.influenced M3 .
  M0 ns:people.person.nationality ns:m.0d05w3
  }