Question: he Railroad to Freedom: A Story of the Civil War is a children's book that tells the fictionalized biography of Harriet Tubman, famous for her humanitarian work during what war?
{'answer': 'the American Civil War', 'supporting_facts': [['The Railroad to Freedom: A Story of the Civil War', 0], ['The Railroad to Freedom: A Story of the Civil War', 1], ['Harriet Tubman', 0]]}