Question: Samuel Robson "Rob" Walton, born on which date, is an American businessman and is the eldest son of Helen Robson Kemper Walton, the wife of Wal-Mart founder Sam Walton, the world's largest retailer?
{'answer': 'October 28, 1944', 'supporting_facts': [['S. Robson Walton', 0], ['Helen Walton', 0]]}