Question: Which Tennessee county was primary location of the armed uprising that marred John Price Buchanan's term as Governor?  
Sentence (from "Rand Rebellion"): Following a drop in the world price of gold from 130 shillings (£6 10s) a fine troy ounce in 1919 to 95s/oz (£4 15s) in December 1921, the companies tried to cut their operating costs by decreasing wages, and by weakening the colour bar to enable the promotion of cheaper black miners to skilled and supervisory positions.
Relevant evidence: No