question: From which state was the last sitting US senator to have served during the presidencies of John F. Kennedy, Lyndon B. Johnson, and Richard Nixon?
answerText: Hawaii
questionEntity.name: Q30
questionEntity.entityType: entity
questionEntity.label: United States of America
questionEntity.mention: US
questionEntity.name: Q9696
questionEntity.entityType: entity
questionEntity.label: John F. Kennedy
questionEntity.mention: John F. Kennedy,
questionEntity.name: Q9640
questionEntity.entityType: entity
questionEntity.label: Lyndon B. Johnson
questionEntity.mention: Lyndon B. Johnson,
questionEntity.name: Q9588
questionEntity.entityType: entity
questionEntity.label: Richard Nixon
questionEntity.mention: Richard Nixon
answerEntity.name: Q782
answerEntity.label: Hawaii