original_query: What was Nelson's role in the fleet?
query: What was Horatio Nelson's role in the British fleet at the Battle of Cape St. Vincent?
answer: At the Battle of Cape St. Vincent, Nelson commanded the British frigate HMS Minerve, scouting ahead of the main fleet.  He then disobeyed orders and used his ship to help capture two Spanish ships, a daring maneuver that significantly contributed to the British victory.