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:
| No. | Country | Local title | Format | Start Date | End Date | Episodes | Premiere/Air Dates |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1.0 | France | Fort Boyard | 1 Team | May 25 | June 8 | 11^ | 7 July – 1 September 2012 (Summer run) |
| 3.0 | The Netherlands | Fort Boyard | Duel | June 21 | June 25 | 10 | 3 September – 5 November 2012 |
| 4.0 | Finland | Fort Boyard - Linnake | Duel | June ?? | July ? | 10 | 9 March – 25 May 2013 |
| 5.0 | France | Prince de LU | Special | July 6 | July 6 | 2 | N/A |
| 6.0 | UK | Fort Boyard: Ultimate Challenge | Duel | July 7 | July 14 | 10 | 8 December 2012 |
Question:
What's the format of the season that ended on June 25?
Answer:
Duel