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?
{'answer': 'Pure Shores', 'supporting_facts': [['Shaznay Lewis', 1], ['Pure Shores', 0]]}