Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
SBB Vukovi Beograd
Table title:
Finals results
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Serbian League </th><th colspan=1 rowspan=1 > Champion </th><th colspan=1 rowspan=1 > Opponent </th><th colspan=1 rowspan=1 > Result </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2004 - SAFS Serbian League* </td><td class="highlighted"  colspan=1 rowspan=1 > Kragujevac Wild Boars </td><td class="highlighted"  colspan=1 rowspan=1 > Vukovi Beograd </td><td class="highlighted"  colspan=1 rowspan=1 > 21 - 6 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2005 - SAFS Serbian Cup* </td><td colspan=1 rowspan=1 > Vukovi Beograd </td><td colspan=1 rowspan=1 > Kragujevac Wild Boars </td><td colspan=1 rowspan=1 > 20 - 6 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2007 - SAFS Serbian League </td><td colspan=1 rowspan=1 > Vukovi Beograd </td><td colspan=1 rowspan=1 > Novi Sad Dukes </td><td colspan=1 rowspan=1 > 25 - 15 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2008 - SAFS Serbian League </td><td colspan=1 rowspan=1 > Kragujevac Wild Boars </td><td colspan=1 rowspan=1 > Vukovi Beograd </td><td colspan=1 rowspan=1 > 39 - 33 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2009 - SAAF Serbian Superleague </td><td colspan=1 rowspan=1 > Vukovi Beograd </td><td colspan=1 rowspan=1 > Novi Sad Dukes </td><td colspan=1 rowspan=1 > 46 - 0 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2010 - SAAF Serbian Superleague </td><td colspan=1 rowspan=1 > Vukovi Beograd </td><td colspan=1 rowspan=1 > Novi Sad Dukes </td><td colspan=1 rowspan=1 > 40 - 2 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2011 - Serbian Bowl VII </td><td colspan=1 rowspan=1 > Vukovi Beograd </td><td colspan=1 rowspan=1 > Kragujevac Wild Boars </td><td colspan=1 rowspan=1 > 51 - 36 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 - Serbian Bowl VIII </td><td colspan=1 rowspan=1 > Vukovi Beograd </td><td colspan=1 rowspan=1 > Kragujevac Wild Boars </td><td colspan=1 rowspan=1 > 35 - 24 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013 - Serbian Bowl IX </td><td colspan=1 rowspan=1 > Vukovi Beograd </td><td colspan=1 rowspan=1 > Kragujevac Wild Boars </td><td colspan=1 rowspan=1 > 42 - 0 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2014 - Serbian Bowl X </td><td colspan=1 rowspan=1 > Vukovi Beograd </td><td colspan=1 rowspan=1 > Kragujevac Wild Boars </td><td colspan=1 rowspan=1 > 27 - 17 </td></tr>
</table>
Question:
When and how did Kragujevac Wild Boars defeat Vukovi Beograd?
Answer:
In 2004, Kragujevac Wild Boars defeated Vukovi Beograd by 21-6.