Question: What served Nelson as his flagship from 6 June 1799 until the end of June 1801, and was one of two British-built 80-gun ships he other being designed by Sir Edward Hunt?
{'answer': 'HMS "Foudroyant"', 'supporting_facts': [['HMS Caesar (1793)', 1], ['HMS Foudroyant (1798)', 0], ['HMS Foudroyant (1798)', 2]]}