Question: "Hello Vietnam" is the title of a song written by Tom T. Hall, the single, with backing vocals from Wright's wife, Kitty Wells, an American pioneering female country music singer, passed away on which date?
Sentence (from "Kitty Wells"): Her Top 10 hits continued until the mid-1960s, inspiring a long list of female country singers who came to prominence in the 1960s.
Relevant evidence: No