Question: What digital television channel that focuses on country music is owned by the company that operates the Retro Television Network?
Sentence (from "Heartland (TV network)"): Launched on April 16, 2012, the network began in 2012 as a revival of The Nashville Network (TNN) that existed as a basic cable and satellite television network from March 7, 1983 to September 24, 2000.
Relevant evidence: No