original_query: What were John Randolph's main occupations and political roles?
query: What were John Randolph of Roanoke's main occupations and political roles?
answer: John Randolph of Roanoke was primarily a planter and politician.  His political career spanned decades, including service in the House of Representatives (1799-1813, 1815-1825) and the Senate (1825-1827). He also served as Minister to Russia.