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:
César Cielo
Table title:
Long course (50 meter pool)
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Time </th><th colspan=1 rowspan=1 > Date </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <td colspan=1 rowspan=1 > 22.09 </td><td colspan=1 rowspan=1 > March 30, 2007 </td><td colspan=1 rowspan=1 > SA </td></tr>
<tr> <td colspan=1 rowspan=1 > 21.84 </td><td colspan=1 rowspan=1 > July 22, 2007 </td><td colspan=1 rowspan=1 > SA, CR </td></tr>
<tr> <td colspan=1 rowspan=1 > 21.75 </td><td colspan=1 rowspan=1 > July 11, 2008 </td><td colspan=1 rowspan=1 > SA </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 21.47 </td><td colspan=1 rowspan=1 > August 14, 2008 </td><td class="highlighted"  colspan=1 rowspan=1 > AM, OR </td></tr>
<tr> <td colspan=1 rowspan=1 > 21.34 </td><td colspan=1 rowspan=1 > August 14, 2008 </td><td colspan=1 rowspan=1 > AM, OR </td></tr>
<tr> <td colspan=1 rowspan=1 > 21.30 </td><td colspan=1 rowspan=1 > August 15, 2008 </td><td colspan=1 rowspan=1 > AM, OR </td></tr>
<tr> <td colspan=1 rowspan=1 > 21.14 </td><td colspan=1 rowspan=1 > July 9, 2009 </td><td colspan=1 rowspan=1 > AM </td></tr>
<tr> <td colspan=1 rowspan=1 > 21.08 </td><td colspan=1 rowspan=1 > August 1, 2009 </td><td colspan=1 rowspan=1 > AM, CR </td></tr>
<tr> <td colspan=1 rowspan=1 > 20.91 </td><td colspan=1 rowspan=1 > December 18, 2009 </td><td colspan=1 rowspan=1 > WR </td></tr>
</table>
Question:
What Olympic records did Cielo set in the 50-metre freestyle event?
Answer:
In the 50-metre freestyle event, Cielo set the Olympic records by 21.47 seconds, 21.34 seconds, and 21.30 seconds.