question: Quanti figli dell'Imperatore Nicholas II Romanov sono stati uccisi durante la Rivoluzione Bolscevica?
answerText: 5
questionEntity.name: Q40787
questionEntity.entityType: entity
questionEntity.label: Nicholas II of Russia
questionEntity.name: Q64386030
questionEntity.entityType: entity
questionEntity.label: The Bolshevik Revolution
questionEntity.name: Q112707
questionEntity.entityType: entity
questionEntity.label: House of Romanov
answerEntity.name: Q113584
answerEntity.label: Olga Nikolaevna Romanova
answerEntity.name: Q158148
answerEntity.label: Tatjana Nikolaevna Romanova
answerEntity.name: Q155422
answerEntity.label: Marija Nikolaevna Romanova
answerEntity.name: Q151130
answerEntity.label: Anastasija Nikolaevna Romanova
answerEntity.name: Q154045
answerEntity.label: Aleksej Nikolaevič Romanov