Question: What is the date of death of the performer of song Nobody Knows The Trouble I'Ve Seen?
Sentence (from "Louis Armstrong"): Louis Daniel Armstrong (August 4, 1901 – July 6, 1971), nicknamed Satchmo, Satch, and Pops, was an American trumpeter, composer, vocalist, and actor who was among the most influential figures in jazz.
Relevant evidence: Yes