Question: The Sears–Ferris House, in Carson City, Nevada, is a historic house built in which year, it was owned from 1868 to 1890 by George Washington Gale Ferris Sr., father of George Washington Gale Ferris Jr., he was an American engineer?
{'answer': '1863', 'supporting_facts': [['Sears–Ferris House', 0], ['George Washington Gale Ferris Jr.', 0]]}