Question: Tricia Marie "Shaznay" Lewis, is an English singer, songwriter, and member of girl group All Saints, Lewis has co-written most of the group's songs, including which number one single, and Lewis has co-written most of the group's songs, including which number one single, released on 12 September 1999?
Sentence (from "Pure Shores"): "Pure Shores" is a song by British-Canadian girl group All Saints.
Relevant evidence: Yes