question: How many books about the City Watch are in the Discworld series?
answerText: 8
questionEntity.name: Q3320632
questionEntity.entityType: entity
questionEntity.label: Ankh-Morpork City Watch
questionEntity.mention: the City Watch
questionEntity.name: Q253295
questionEntity.entityType: entity
questionEntity.label: Discworld
questionEntity.mention: Discworld
answerEntity.name: Q2078564
answerEntity.label: Guards! Guards!
answerEntity.name: Q690744
answerEntity.label: Men at Arms
answerEntity.name: Q2089569
answerEntity.label: Feet of Clay
answerEntity.name: Q2084358
answerEntity.label: Jingo
answerEntity.name: Q1198641
answerEntity.label: The Fifth Elephant
answerEntity.name: Q2410203
answerEntity.label: Night Watch
answerEntity.name: Q2383911
answerEntity.label: Thud!
answerEntity.name: Q2999009
answerEntity.label: Snuff