question: Which Harry Potter books do not have Voldemort?
answerText: Harry Potter and the Prisoner of Azkaban
questionEntity.name: Q176132
questionEntity.entityType: entity
questionEntity.label: Lord Voldemort
questionEntity.mention: Voldemort
questionEntity.name: Q8337
questionEntity.entityType: entity
questionEntity.label: Harry Potter
questionEntity.mention: Harry Potter
answerEntity.name: Q47598
answerEntity.label: Harry Potter and the Prisoner of Azkaban