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:
| Year | Gold | Silver | Bronze | Notes |
| --- | --- | --- | --- | --- |
| 2002.0 | Michael Mamleev | Yuri Omeltchenko | Jamie Stevenson | 5.2km, 15controls |
| 2004.0 | Thierry Gueorgiou | Jarkko Huovila | Emil Wingstedt | 6.4km, 22controls |
| 2006.0 | Thierry Gueorgiou | Martins Sirmais | Valentin Novikov | 6.7km, 18controls |
| 2008.0 | Thierry Gueorgiou | Martins Sirmais | Pasi Ikonen | 6.7km, 22controls |
| 2010.0 | Valentin Novikov | Matthias Merz | Daniel Hubmann | 6.4km, 22controls |
| 2012.0 | Olav Lundanes | Valentin Novikov | Carl Waaler Kaas | 6.24km, 23controls |
Question:
What is Silver, when Notes is "6.24km, 23controls"?
Answer:
Valentin Novikov