Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Episode | First aired | Entrepreneur(s) | Company or product name | Money requested (£) | Description of product | Investing Dragon(s) |
| --- | --- | --- | --- | --- | --- | --- |
| Episode 1 | 21 July 2008 | Jamie Turner | Hamfatter | 75,000 | A music band | Peter Jones |
| Episode 1 | 21 July 2008 | Julia Charles & Amy Goldthorpe | D4M Ltd | 75,000 | Events management company | Duncan Bannatyne & James Caan |
| Episode 2 | 28 July 2008 | Victoria McGrane | Neurotica | 56,000 (but received 75,000) | Fashion designer | Peter Jones |
| Episode 3 | 4 August 2008 | Ming Yun | Light Emotions | 40,000 | Glow in the dark products | Peter Jones |
| Episode 3 | 4 August 2008 | Michael Cotton | DDN Ltd | 250,000 | Misfuelling prevention device | Theo Paphitis & Deborah Meaden |
| Note - Deal later turned down. | Note - Deal later turned down. | Note - Deal later turned down. | Note - Deal later turned down. | Note - Deal later turned down. | Note - Deal later turned down. | Note - Deal later turned down. |
| Episode 4 | 11 August 2008 | Charlotte Evans & Caroyln Jarvis | Buggy Boot | 80,000 | Storage solution for pushchairs | Deborah Meaden |
| Episode 4 | 11 August 2008 | Andrew Harsley | Rapstrap | 150,000 | Waste-free cable-tie | Duncan Bannatyne & James Caan |
| Episode 5 | 18 August 2008 | Neil and Laura Westwood | Magic Whiteboard | 100,000 | Portable whiteboard in the form of a roll | Theo Paphitis and Deborah Meaden |
| Episode 5 | 18 August 2008 | Guy Unwin & Caroline Kavanagh | Planit Products | 200,000 | Toastabags | James Caan |
| Episode 6 | 25 August 2008 | Guy Portelli | Guy Portelli Sculpture Studio | 70,000 (but received 80,000) | Collection of 18 sculptures | James Caan, Peter Jones & Theo Paphitis |
| Episode 6 | 25 August 2008 | Raymond Smith | Magic Pizza | 50,000 | Device designed to eliminate a 'soggy middle' | Theo Paphitis & Peter Jones |
| Episode 7 | 1 September 2008 | Dominic Lawrence, Simeone Salik & Janice Dalton | Blindsinabox Ltd | 40,000 | Temporary, easy-to-install blinds | Duncan Bannatyne & James Caan |
| Episode 7 | 1 September 2008 | Christian Richardson & Rachel Watkyn | Tiny Box | 53,000 | Unique recycled packaging company | Theo Paphitis & Peter Jones |
| Episode 8 | 8 September 2008 | Paul Tinton | ProWaste Management Services | 200,000 | Construction waste recycling service | Duncan Bannatyne & Deborah Meaden |
Question:
When did episode 6 first air with entrepreneur Guy Portelli?
Answer:
25 August 2008