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:
Athletics at the 1924 Summer Olympics – Men's pole vault
Table title:
Qualification
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Place </th><th colspan=1 rowspan=1 > Athlete </th><th colspan=1 rowspan=1 > Height </th><th colspan=1 rowspan=1 > Overall Rank </th><th colspan=1 rowspan=1 > Qual. </th></tr>
<tr> <td colspan=1 rowspan=3 > 1 </td><td class="highlighted"  colspan=1 rowspan=1 > Lee Barnes (USA) </td><td class="highlighted"  colspan=1 rowspan=1 > 3.66 </td><td colspan=1 rowspan=1 > =1 </td><td class="highlighted"  colspan=1 rowspan=1 > Q </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > James Brooker (USA) </td><td class="highlighted"  colspan=1 rowspan=1 > 3.66 </td><td colspan=1 rowspan=1 > =1 </td><td class="highlighted"  colspan=1 rowspan=1 > Q </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Victor Pickard (CAN) </td><td class="highlighted"  colspan=1 rowspan=1 > 3.66 </td><td colspan=1 rowspan=1 > =1 </td><td class="highlighted"  colspan=1 rowspan=1 > Q </td></tr>
<tr> <td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > Paul Dufauret (FRA) </td><td colspan=1 rowspan=1 > 3.55 </td><td colspan=1 rowspan=1 > =8 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=2 > 5 </td><td colspan=1 rowspan=1 > Robert Duthil (FRA) </td><td colspan=1 rowspan=1 > 3.40 </td><td colspan=1 rowspan=1 > =11 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Eurico de Freitas (BRA) </td><td colspan=1 rowspan=1 > 3.40 </td><td colspan=1 rowspan=1 > =11 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=3 > 7 </td><td colspan=1 rowspan=1 > František Fuhrherr-Nový (TCH) </td><td colspan=1 rowspan=1 > 3.20 </td><td colspan=1 rowspan=1 > =15 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > James Campbell (GBR) </td><td colspan=1 rowspan=1 > 3.20 </td><td colspan=1 rowspan=1 > =15 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Argyris Karagiannis (GRE) </td><td colspan=1 rowspan=1 > 3.20 </td><td colspan=1 rowspan=1 > =15 </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
How many metres did pole vaulters have to clear to qualify? 
Answer:
All pole vaulters who cleared 3.66 metres are qualified.