Question: When did the performer of song And So It Goes (Nitty Gritty Dirt Band Song) die?
Sentence (from "John Denver"): Henry John Deutschendorf Jr. (December 31, 1943 – October 12, 1997), known professionally as John Denver, was an American singer-songwriter, record producer, actor, activist, and humanitarian, whose greatest commercial success was as a solo singer.
Relevant evidence: Yes