question: Quanti presidenti hanno servito nell'Esercito dell'Unione?
answerText: 6
questionEntity.name: Q1752901
questionEntity.entityType: entity
questionEntity.label: Union Army
answerEntity.name: Q8612
answerEntity.label: Andrew Johnson
answerEntity.name: Q34836
answerEntity.label: Ulysses S. Grant
answerEntity.name: Q35686
answerEntity.label: Rutherford Hayes
answerEntity.name: Q34597
answerEntity.label: James A. Garfield
answerEntity.name: Q35678
answerEntity.label: Benjamin Harrison
answerEntity.name: Q35041
answerEntity.label: William McKinley