question: How many books about Tiffany Aching are in the Discworld series?
answerText: 5
questionEntity.name: Q253295
questionEntity.entityType: entity
questionEntity.label: Discworld
questionEntity.mention: Discworld
questionEntity.name: Q3401100
questionEntity.entityType: entity
questionEntity.label: Tiffany Aching
questionEntity.mention: Tiffany Aching
answerEntity.name: Q1517543
answerEntity.label: The Wee Free Men
answerEntity.name: Q2342080
answerEntity.label: A Hat Full of Sky
answerEntity.name: Q2468631
answerEntity.label: Wintersmith
answerEntity.name: Q980558
answerEntity.label: I Shall Wear Midnight
answerEntity.name: Q19897982
answerEntity.label: The Shepherd's Crown