question: Quanti Presidenti degli Stati Uniti sono stati coinvolti nella guerra del Vietnam?
answerText: 5
questionEntity.name: Q8740
questionEntity.entityType: entity
questionEntity.label: Vietnam War
questionEntity.name: Q30
questionEntity.entityType: entity
questionEntity.label: United States of America
answerEntity.name: Q9640
answerEntity.label: Lyndon B. Johnson
answerEntity.name: Q9696
answerEntity.label: John Fitzgerald Kennedy
answerEntity.name: Q9916
answerEntity.label: Dwight Eisenhower
answerEntity.name: Q11613
answerEntity.label: Harry Truman
answerEntity.name: Q9588
answerEntity.label: Richard Nixon