question: What is the fifth book in Stephen King's Dark Tower series?
answerText: Wolves of the Calla
questionEntity.name: Q280898
questionEntity.entityType: entity
questionEntity.label: The Dark Tower
questionEntity.mention: Dark Tower
questionEntity.name: Q39829
questionEntity.entityType: entity
questionEntity.label: Stephen King
questionEntity.mention: Stephen King's
questionEntity.name: 5
questionEntity.entityType: ordinal
questionEntity.mention: fifth
answerEntity.name: Q247364
answerEntity.label: The Dark Tower V: Wolves of the Calla