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:
Andrey Silnov
Table title:
Achievements
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><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 > Notes </th></tr>
<tr> <th colspan=6 rowspan=1 > Representing Russia </th></tr>
<tr> <td colspan=1 rowspan=1 > 2005 </td><td colspan=1 rowspan=1 > European U23 Championships </td><td colspan=1 rowspan=1 > Erfurt, Germany </td><td colspan=1 rowspan=1 > 9th </td><td colspan=1 rowspan=1 > 2.23 m </td></tr>
<tr> <td colspan=1 rowspan=3 > 2006 </td><td colspan=1 rowspan=1 > European Championships </td><td colspan=1 rowspan=1 > Gothenburg, Sweden </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 2.36 m CR, PB </td></tr>
<tr> <td colspan=1 rowspan=1 > World Athletics Final </td><td colspan=1 rowspan=1 > Stuttgart, Germany </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 2.33 m </td></tr>
<tr> <td colspan=1 rowspan=1 > World Cup </td><td colspan=1 rowspan=1 > Athens, Greece </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 2.24 m </td></tr>
<tr> <td colspan=1 rowspan=1 > 2007 </td><td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Osaka, Japan </td><td colspan=1 rowspan=1 > 11th </td><td colspan=1 rowspan=1 > 2.21 m </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=3 > 2008 </td><td class="highlighted"  colspan=1 rowspan=1 > Aviva London Grand Prix </td><td class="highlighted"  colspan=1 rowspan=1 > London, England </td><td colspan=1 rowspan=1 > 1st </td><td class="highlighted"  colspan=1 rowspan=1 > 2.38 m PB </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Olympic Games </td><td colspan=1 rowspan=1 > Beijing, China </td><td class="highlighted"  colspan=1 rowspan=1 > 1st </td><td class="highlighted"  colspan=1 rowspan=1 > 2.36 m </td></tr>
<tr> <td colspan=1 rowspan=1 > World Athletics Final </td><td colspan=1 rowspan=1 > Stuttgart, Germany </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 2.35 m CR </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 </td><td colspan=1 rowspan=1 > World Indoor Championships </td><td colspan=1 rowspan=1 > Istanbul, Turkey </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 2.33 m </td></tr>
</table>
Question:
How well did Silnov perform at the 2008 London Grand Prix and at the 2008 Olympics? 
Answer:
Andrey Silnov made a new personal best of 2.38, in the 2008 London Grand Prix, and he was at the 2008 Olympics, where he won the gold medal with 2.36.