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:
Antonis Aresti
Table title:
Participation in Paralympic Games
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Competition </th><th colspan=1 rowspan=1 > Venue </th><th colspan=1 rowspan=1 > Position </th><th colspan=1 rowspan=1 > Medal </th><th colspan=1 rowspan=1 > Event </th><th colspan=1 rowspan=1 > Time </th><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2008 Summer Paralympics </td><td colspan=1 rowspan=1 > China Beijing, China </td><td class="highlighted"  colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > - </td><td class="highlighted"  colspan=1 rowspan=1 > 200m T46 </td><td class="highlighted"  colspan=1 rowspan=1 > 22.15 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2008 Summer Paralympics </td><td colspan=1 rowspan=1 > China Beijing, China </td><td class="highlighted"  colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > - </td><td class="highlighted"  colspan=1 rowspan=1 > 400m T46 </td><td class="highlighted"  colspan=1 rowspan=1 > 48.87 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 Summer Paralympics </td><td colspan=1 rowspan=1 > United Kingdom London, United Kingdom </td><td colspan=1 rowspan=1 > 4th </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 200m T46 </td><td colspan=1 rowspan=1 > 22.40 </td><td colspan=1 rowspan=1 > RR </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 Summer Paralympics </td><td colspan=1 rowspan=1 > United Kingdom London, United Kingdom </td><td colspan=1 rowspan=1 > 4th </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 400m T46 </td><td colspan=1 rowspan=1 > 49.59 </td><td colspan=1 rowspan=1 > SB </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 Summer Paralympics </td><td colspan=1 rowspan=1 > United Kingdom London, United Kingdom </td><td colspan=1 rowspan=1 > nq </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 100m T46 </td><td colspan=1 rowspan=1 > 11.36 </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
How many medals did Antonis Aresti win and for what event?
Answer:
Antonis Aresti won two silver medals in the Men's 200m T46 and Men's 400m T46 with times of 22.15 seconds and 48.87 seconds respectively.