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:
São Tomé and Príncipe at the 2016 Summer Paralympics
Table title:
Athletics
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=2 > Athlete </th><th colspan=1 rowspan=2 > Events </th><th colspan=2 rowspan=1 > Heat </th><th colspan=2 rowspan=1 > Final </th></tr>
<tr> <th colspan=1 rowspan=1 > Time </th><th colspan=1 rowspan=1 > Rank </th><th colspan=1 rowspan=1 > Time </th><th colspan=1 rowspan=1 > Rank </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > Alex Anjos </td><td colspan=1 rowspan=1 > 100 m T45-47 </td><td colspan=2 rowspan=1 > Did not start </td><td colspan=2 rowspan=1 > Did not advance </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 400 m T45-47 </td><td class="highlighted"  colspan=1 rowspan=1 > 50.94 </td><td class="highlighted"  colspan=1 rowspan=1 > 3 </td><td colspan=2 rowspan=1 > Did not advance </td></tr>
</table>
Question:
What was the time set by Alex Anjos in the heat of the 400 metres T47 event?
Answer:
In the heat of the 400 metres T47 event, Alex Anjos finished third with a time of 50.94 seconds.