question: Which of the five surviving sons of Edward III of England does not have any legitimate descendants today?
answerText: Edward the Black Prince
questionEntity.name: Q129247
questionEntity.entityType: entity
questionEntity.label: Edward III of England
questionEntity.mention: Edward III of England
questionEntity.name: 5
questionEntity.entityType: cardinal
questionEntity.mention: five
answerEntity.name: Q184854
answerEntity.label: Edward, the Black Prince