Question: A Cincinnati entrepreneur and coin collect was responsible for the issue of a coin to mark the 100th anniversary of Cleveland, Ohio that was struck in Philadelphia during which two years?
{'answer': '1936 and 1937', 'supporting_facts': [['Thomas G. Melish', 0], ['Thomas G. Melish', 1], ['Cleveland Centennial half dollar', 0], ['Cleveland Centennial half dollar', 1]]}