Question: When did the ingalls move to walnut grove?
qaPairs: question: When which novel did the ingalls move to walnut grove?
answer: On the Banks of Plum Creek
question: In what year was the novel published that the ingalls family moved to walnut grove?
answer: 1937
question: What year in the story did the ingalls first move to walnut grove?
answer: 1874
question: What year in the story did the ingalls move back to walnut grove?
answer: 1877