question: In quali libri di Harry Potter non appare Sirius Black?
answerText: Philosopher's Stone, Chamber of Secrets
questionEntity.name: Q8337
questionEntity.entityType: entity
questionEntity.label: Harry Potter
questionEntity.name: Q713701
questionEntity.entityType: entity
questionEntity.label: Sirius Black
answerEntity.name: Q43361
answerEntity.label: Harry Potter e la pietra filosofale
answerEntity.name: Q47209
answerEntity.label: Harry Potter e la camera dei segreti