Question: What was the population of the city where Kevin Rathbun is active, in 2016?
Sentence (from "Kevin Norton"): He has performed and recorded with a diverse group of musicians, including Anthony Braxton, Paul Dunmall, Milt Hinton, Fred Frith, David Krakauer, Joëlle Léandre, Frode Gjerstad, Wilber Morris, James Emery, Bern Nix, and many others.
Relevant evidence: No