Question: One of the five copies of Caustic Windo surfaced for sale on a webside and crowdsourced database that is located in Portland, Oregon, and is owned by who? 
Sentence (from "Discogs"): Discogs, short for discographies, is a website and crowdsourced database of information about audio recordings, including commercial releases, promotional releases, and bootleg or off-label releases.
Relevant evidence: Yes