question: Who is the oldest living US senator, Chuck Grassley or Dianne Feinstein?
answerText: Dianne Feinstein
questionEntity.name: Q4416090
questionEntity.entityType: entity
questionEntity.label: United States senator
questionEntity.mention: US senator,
questionEntity.name: Q230733
questionEntity.entityType: entity
questionEntity.label: Dianne Feinstein
questionEntity.mention: Dianne Feinstein
questionEntity.name: Q529294
questionEntity.entityType: entity
questionEntity.label: Chuck Grassley
questionEntity.mention: Chuck Grassley
answerEntity.name: Q230733
answerEntity.label: Dianne Feinstein