In this task you will be given an answer to a question. You need to generate a question. The answer given should be a correct answer for the generated question.
Q: The Waltons is an American television series created by Earl Hamner, Jr., based on his book Spencer's Mountain and a 1963 film of the same name, about a family in rural Virginia during the Great Depression and World War II.
A:
what time period was the waltons set in