Question: Who has had a solo singing career, Ryan McCombs or Toshimitsu Deyama?
Sentence (from "Toshi (musician)"): Toshimitsu Deyama (出山利三 , Deyama Toshimitsu , born October 10, 1965 in Tateyama, Chiba) , known exclusively by his stage name Toshi, is a Japanese singer and songwriter.
Relevant evidence: Yes