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?
Sentence (from "HMS Foudroyant (1798)"): "Foudroyant" was built in the dockyard at Plymouth Dock (a.k.a. Devonport) and launched on 31 March 1798.
Relevant evidence: No