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 | City | Event | Winner | Prize |
| --- | --- | --- | --- | --- |
| 16–17 September 2005 | Barcelona | Barcelona Open 2005 | Jan Boubli | €416,000 |
| 30 Sep–2 Oct 2005 | London | The Grosvenor World Masters | Mark Teltscher | £280,000 |
| 4–6 October 2005 | Baden | Poker EM/EPT Baden Classic | Patrik Antonius | €288,180 |
| 29–30 October 2005 | Dublin | The Irish Winter Festival of Poker 2005 | Mats Gavatin | €317,000 |
| 19–22 January 2006 | Copenhagen | EPT Scandinavian Open | Mads Andersen | kr2,548,040 |
| 8–11 February 2006 | Deauville | EPT French Open | Mats Iremark | €480,000 |
| 7–11 March 2006 | Monte Carlo | European Poker Tour Grand Final | Jeff Williams | €900,000 |
Question:
What city was the event in when Patrik Antonius won?
Answer:
Baden