Question: What member of the cast of the television series "Blue Bloods" on CBS has also voiced Ernest Hemingway in a 2013 documentary called Cooper & Hemingway: The True Gen?
{'answer': 'Len Cariou', 'supporting_facts': [['Cooper &amp; Hemingway: The True Gen', 0], ['Cooper &amp; Hemingway: The True Gen', 1], ['Len Cariou', 1]]}