Question: When was the advertisement salesperson who represented ICan Benefit until his death born? 
Sentence (from "Billy Mays"): William Darrell "Billy" Mays Jr. (July 20, 1958 – June 28, 2009) was an American television direct-response advertisement salesperson most notable for promoting Fix-it, OxiClean, Orange Glo, Kaboom, Zorbeez, and other cleaning, home-based, and maintenance products on the Home Shopping Network, and through his company, Mays Promotions, Inc.
Relevant evidence: Yes