question: How many books are in the Oz series by L. Frank Baum?
answerText: 14
questionEntity.name: Q207544
questionEntity.entityType: entity
questionEntity.label: L. Frank Baum
questionEntity.mention: L. Frank Baum
questionEntity.name: Q2167095
questionEntity.entityType: entity
questionEntity.label: Oz series
questionEntity.mention: Oz series
answerEntity.name: Q130295
answerEntity.label: The Wonderful Wizard of Oz
answerEntity.name: Q7335058
answerEntity.label: Rinkitink in Oz
answerEntity.name: Q7748719
answerEntity.label: The Lost Princess of Oz
answerEntity.name: Q7769442
answerEntity.label: The Tin Woodman of Oz
answerEntity.name: Q1659447
answerEntity.label: The Marvelous Land of Oz
answerEntity.name: Q634885
answerEntity.label: Ozma of Oz
answerEntity.name: Q473588
answerEntity.label: Dorothy and the Wizard in Oz
answerEntity.name: Q1250364
answerEntity.label: The Road to Oz
answerEntity.name: Q1250366
answerEntity.label: The Emerald City of Oz
answerEntity.name: Q615227
answerEntity.label: The Patchwork Girl of Oz
answerEntity.name: Q7801858
answerEntity.label: Tik-Tok of Oz
answerEntity.name: Q7762405
answerEntity.label: The Scarecrow of Oz
answerEntity.name: Q7749508
answerEntity.label: The Magic of Oz
answerEntity.name: Q5569658
answerEntity.label: Glinda of Oz