question: Which president signed the Declaration of Independence and died at the age of 83?
answerText: Thomas Jefferson
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questionEntity.entityType: entity
questionEntity.label: United States Declaration of Independence
questionEntity.mention: Declaration of Independence
questionEntity.name: 83
questionEntity.entityType: cardinal
questionEntity.mention: the age of 83
answerEntity.name: Q11812
answerEntity.label: Thomas Jefferson