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:
| Region/Country | Local name | Main presenter | Network | Year premiered |
| --- | --- | --- | --- | --- |
| China | 夢想合唱團 Mengxiang hechang tuan | Sa Beining | CCTV-1 | 2011.0 |
| Denmark | AllStars | Lisbeth Østergaard | TV2 | 2008.0 |
| Estonia | Laululahing | Tarmo Leinatamm | ETV | 2008.0 |
| Finland | Kuorosota | Kristiina Komulainen | Nelonen | 2009.0 |
| France | La Bataille des Chorales | Benjamin Castaldi | TF1 | 2009.0 |
| Latvia | Koru Kari | Lauris Reiniks | TV3 | 2008.0 |
| Lithuania | Chorų karai | Vytautas Šapranauskas & Jurgita Jurkutė | TV3 | 2010.0 |
| Norway | Det store korslaget | Øyvind Mund | TV2 | 2009.0 |
| Poland | Bitwa na glosy | Hubert Urbanski & Piotr Kedzierski | TVP 2 | 2010.0 |
| Russia | Битва хоров | Valery Meladze | Rossiya 1 | 2012.0 |
| Spain | La Batalla de los Coros | Josep Lobató | Cuatro | 2008.0 |
| Sweden | Körslaget | Gry Forssell | TV4 | 2008.0 |
| Switzerland | Kampf der Chöre | Sven Epiney | SF 1 | 2010.0 |
| Turkey | Korolar Çarpışıyor | Behzat Uighur | Show TV | 2009.0 |
| Vietnam | Hợp ca tranh tài | Nguyên Khang | VTV3 | 2012.0 |
Question:
What is the highest year premiered when Benjamin Castaldi is main presenter?
Answer:
2009.0