question: How many books are in the Earth's Children?
answerText: 6
questionEntity.name: Q999222
questionEntity.entityType: entity
questionEntity.label: Earth's Children hexalogy
questionEntity.mention: Earth's Children
answerEntity.name: Q2328959
answerEntity.label: The Clan of the Cave Bear
answerEntity.name: Q1841196
answerEntity.label: The Valley of Horses
answerEntity.name: Q2171394
answerEntity.label: The Mammoth Hunters
answerEntity.name: Q550208
answerEntity.label: The Plains of Passage
answerEntity.name: Q744687
answerEntity.label: The Shelters of Stone