question: How many bird books were published by Neltje Blanchan in the 1900s?
answerText: 5
questionEntity.name: Q6990836
questionEntity.entityType: entity
questionEntity.label: Neltje Blanchan
questionEntity.mention: Neltje Blanchan
questionEntity.name: 1900:1999
questionEntity.entityType: date
questionEntity.mention: the 1900s
answerEntity.name: Q51411172
answerEntity.label: How to attract the birds : and other talks about bird neighbors
answerEntity.name: Q51424415
answerEntity.label: Birds that hunt and are hunted: life histories of one hundred and seventy birds of prey, game birds and water-fowls
answerEntity.name: Q51415639
answerEntity.label: Birds that every child should know
answerEntity.name: Q51448386
answerEntity.label: Birds worth knowing