问题: 改革官制是哪个朝代的事情？主要人物有谁？
Cypher查询:
match (:ENTITY{name:'改革官制'})-[:Relationship{name:'所属年代'}]->(n) return n.name as name union all match (:ENTITY{name:'改革官制'})-[:Relationship{name:'主要人物'}]->(m) return m.name as name
查询结果:
隋代
隋文帝