<prompt> Pedzisa mutsara unotevera: Muna 2015, Spitz anonzi akataura kuti akanga aona email kubva kuOmega, muchengeti wenguva wepamutemo, kuti Phelps akanga arasikirwa neyakavhiringidzwa zvikuru  <response>: 100m butterfly yokupedzisira muna 2008. Gare gare akataura kuti mashoko ake akanga adudzirwa zvisizvo. 