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:
Trinidad and Tobago at the 2008 Summer Olympics
Table title:
Summary
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=2 > Athlete </th><th colspan=1 rowspan=2 > Event </th><th colspan=2 rowspan=1 > Heat </th><th colspan=2 rowspan=1 > Quarterfinal </th><th colspan=2 rowspan=1 > Semifinal </th><th colspan=2 rowspan=1 > Final </th></tr>
<tr> <th colspan=1 rowspan=1 > Result </th><th colspan=1 rowspan=1 > Rank </th><th colspan=1 rowspan=1 > Result </th><th colspan=1 rowspan=1 > Rank </th><th colspan=1 rowspan=1 > Result </th><th colspan=1 rowspan=1 > Rank </th><th colspan=1 rowspan=1 > Result </th><th colspan=1 rowspan=1 > Rank </th></tr>
<tr> <td colspan=1 rowspan=1 > Darrel Brown </td><td class="highlighted"  colspan=1 rowspan=3 > 100 m </td><td colspan=1 rowspan=1 > 10.22 </td><td colspan=1 rowspan=1 > 3 Q </td><td colspan=1 rowspan=1 > 10.93 </td><td colspan=1 rowspan=1 > 8 </td><td colspan=4 rowspan=1 > Did not advance </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Marc Burns </td><td colspan=1 rowspan=1 > 10.46 </td><td colspan=1 rowspan=1 > 2 Q </td><td colspan=1 rowspan=1 > 10.05 </td><td colspan=1 rowspan=1 > 1 Q </td><td class="highlighted"  colspan=1 rowspan=1 > 9.97 </td><td colspan=1 rowspan=1 > 3 Q </td><td colspan=1 rowspan=1 > 10.01 </td><td colspan=1 rowspan=1 > 7 </td></tr>
<tr> <td colspan=1 rowspan=1 > Richard Thompson </td><td colspan=1 rowspan=1 > 10.24 </td><td colspan=1 rowspan=1 > 1 Q </td><td colspan=1 rowspan=1 > 9.99 </td><td colspan=1 rowspan=1 > 1 Q </td><td colspan=1 rowspan=1 > 9.93 </td><td colspan=1 rowspan=1 > 2 Q </td><td colspan=1 rowspan=1 > 9.89 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Aaron Armstrong </td><td colspan=1 rowspan=2 > 200 m </td><td colspan=1 rowspan=1 > 20.57 </td><td colspan=1 rowspan=1 > 1 Q </td><td colspan=1 rowspan=1 > 20.58 </td><td colspan=1 rowspan=1 > 5 </td><td colspan=4 rowspan=1 > Did not advance </td></tr>
<tr> <td colspan=1 rowspan=1 > Rondel Sorrillo </td><td colspan=1 rowspan=1 > 20.58 </td><td colspan=1 rowspan=1 > 1 Q </td><td colspan=1 rowspan=1 > 20.63 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=4 rowspan=1 > Did not advance </td></tr>
<tr> <td colspan=1 rowspan=1 > Ato Modibo </td><td colspan=1 rowspan=2 > 400 m </td><td colspan=1 rowspan=1 > 45.63 </td><td colspan=1 rowspan=1 > 5 </td><td colspan=2 rowspan=1 > N/A </td><td colspan=4 rowspan=1 > Did not advance </td></tr>
<tr> <td colspan=1 rowspan=1 > Renny Quow </td><td colspan=1 rowspan=1 > 45.13 </td><td colspan=1 rowspan=1 > 2 Q </td><td colspan=2 rowspan=1 > N/A </td><td colspan=1 rowspan=1 > 44.82 </td><td colspan=1 rowspan=1 > 4 q </td><td colspan=1 rowspan=1 > 45.22 </td><td colspan=1 rowspan=1 > 7 </td></tr>
<tr> <td colspan=1 rowspan=1 > Mikel Thomas </td><td colspan=1 rowspan=1 > 110 m hurdles </td><td colspan=1 rowspan=1 > 13.69 </td><td colspan=1 rowspan=1 > 6 q </td><td colspan=1 rowspan=1 > 13.62 </td><td colspan=1 rowspan=1 > 6 </td><td colspan=4 rowspan=1 > Did not advance </td></tr>
<tr> <td colspan=1 rowspan=1 > Aaron Armstrong* Keston Bledman Marc Burns Emmanuel Callender** Richard Thompson </td><td colspan=1 rowspan=1 > 4 × 100 m relay </td><td colspan=1 rowspan=1 > 38.26 </td><td colspan=1 rowspan=1 > 1 Q </td><td colspan=4 rowspan=1 > N/A </td><td colspan=1 rowspan=1 > 38.06 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Cowin Mills Ato Modibo Renny Quow Jovon Toppin Stann Waithe </td><td colspan=1 rowspan=1 > 4 × 400 m relay </td><td colspan=1 rowspan=1 > 3:04.12 </td><td colspan=1 rowspan=1 > 5 </td><td colspan=4 rowspan=1 > N/A </td><td colspan=2 rowspan=1 > Did not advance </td></tr>
</table>
Question:
What was Marc Burns' best showing in the 100 m dash?
Answer:
Marc Burns ran his fastest time of the 100 m event during the semifinal race, completing the 100 meters in 9.97 seconds.