Task: Question Generation
Input (English): Context : John Houlton Marshall (9 October 1768 in Halifax, Nova Scotia -- 2 May 1837 in Charlotte Street, Bloomsbury Square, Middlesex) was a Nova Scotian who was a naval commander throughout the Napoleonic Wars. 
Subject : John Houlton Marshall 
Relation : military branch
Output (English): What army was John Houlton Marshall a part of?