Table:
text: Dragons' Den (UK)
Series 8
Series 8
Episode First_aired Entrepreneurs Company_or_product_name Money_requested_ Investing_Dragons
Episode 8 31 August 2010 Chris Elsworthy Power8 Workshop 150000 Duncan Bannatyne and Peter Jones
Episode 9 6 September 2010 Solvej Biddle Content and Calm (Traykit) 80000 Peter Jones and Deborah Meaden
Episode 9 6 September 2010 Adam Weaver Proppa 50000 Duncan Bannatyne
Episode 10 13 September 2010 Ian Taylor Media Displays 80000 James Caan

Question: In which episode of Dragons' Den (UK) series 8 did entrepreneur Adam Weaver appear?