question: Which of the four surviving sons of Louis VIII of France did not have any children?
answerText: Alphonse, Count of Poitiers
questionEntity.name: Q165284
questionEntity.entityType: entity
questionEntity.label: Louis VIII of France
questionEntity.mention: Louis VIII of France
questionEntity.name: 4
questionEntity.entityType: cardinal
questionEntity.mention: four
answerEntity.name: Q343969
answerEntity.label: Alphonse, Count of Poitiers