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:
| Date | Time | Competition | Opponent | Ground | Score |
| --- | --- | --- | --- | --- | --- |
| 17 July 2007 | 15:30 GMT | Friendly Match | China Olympics Team | Riscone di Brunico | 3-0 |
| 21 July 2007 | 15:30 GMT | Friendly Match | Südtirol | Riscone di Brunico | 2-0 |
| 24 July 2007 | 18:45 GMT | Friendly Match | Partizan Belgrade | Marco Druso | 1-0 |
| 29 July 2007 | 14:00 GMT | Emirates Cup | Valencia | Emirates Stadium | 0-2 |
| 30 July 2007 | 16:15 GMT | Emirates Cup | Arsenal | Emirates Stadium | 1-2 |
| 1 August 2007 | 20:00 GMT | Pirelli Cup | Manchester United | Old Trafford | 3-2 |
| 4 August 2007 | 15:00 GMT | Friendly Match | Aston Villa | Villa Park | 0-3 |
| 8 August 2007 | 19:45 GMT | Birra Moretti Cup | Napoli | San Paolo | 2-0 |
| 8 August 2007 | 21:00 GMT | Birra Moretti Cup | Juventus | San Paolo | 1-0 |
| 11 August 2007 | 16:00 GMT | Friendly Match | AZ | DSB Stadion | 2-4 |
| 14 August 2007 | 18:30 GMT | TIM Trophy | Juventus | San Siro | 0-0*/5-4 |
| 14 August 2007 | 21:00 GMT | TIM Trophy | Milan | San Siro | 1-0 |
| 29 August 2007 | 20:00 GMT | Gamper Trophy | Barcelona | Camp Nou | 0-5 |
Question:
Who is the Opponent playing at 20:00 GMT at Camp Nou?
Answer:
Barcelona