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:
Canton of Archiac
Table title:
Communes of Archiac
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Commune </th><th colspan=1 rowspan=1 > Population (1999) </th><th colspan=1 rowspan=1 > Postal code </th><th colspan=1 rowspan=1 > INSEE code </th></tr>
<tr> <td colspan=1 rowspan=1 > Allas-Champagne </td><td colspan=1 rowspan=1 > 184 </td><td colspan=1 rowspan=1 > 17500 </td><td colspan=1 rowspan=1 > 17006 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Archiac </td><td class="highlighted"  colspan=1 rowspan=1 > 864 </td><td colspan=1 rowspan=1 > 17520 </td><td colspan=1 rowspan=1 > 17016 </td></tr>
<tr> <td colspan=1 rowspan=1 > Arthenac </td><td colspan=1 rowspan=1 > 312 </td><td colspan=1 rowspan=1 > 17520 </td><td colspan=1 rowspan=1 > 17020 </td></tr>
<tr> <td colspan=1 rowspan=1 > Brie-sous-Archiac </td><td colspan=1 rowspan=1 > 245 </td><td colspan=1 rowspan=1 > 17520 </td><td colspan=1 rowspan=1 > 17066 </td></tr>
<tr> <td colspan=1 rowspan=1 > Celles </td><td colspan=1 rowspan=1 > 251 </td><td colspan=1 rowspan=1 > 17520 </td><td colspan=1 rowspan=1 > 17076 </td></tr>
<tr> <td colspan=1 rowspan=1 > Cierzac </td><td colspan=1 rowspan=1 > 199 </td><td colspan=1 rowspan=1 > 17520 </td><td colspan=1 rowspan=1 > 17106 </td></tr>
<tr> <td colspan=1 rowspan=1 > Germignac </td><td colspan=1 rowspan=1 > 531 </td><td colspan=1 rowspan=1 > 17520 </td><td colspan=1 rowspan=1 > 17175 </td></tr>
<tr> <td colspan=1 rowspan=1 > Jarnac-Champagne </td><td colspan=1 rowspan=1 > 727 </td><td colspan=1 rowspan=1 > 17520 </td><td colspan=1 rowspan=1 > 17192 </td></tr>
<tr> <td colspan=1 rowspan=1 > Lonzac </td><td colspan=1 rowspan=1 > 248 </td><td colspan=1 rowspan=1 > 17520 </td><td colspan=1 rowspan=1 > 17209 </td></tr>
<tr> <td colspan=1 rowspan=1 > Neuillac </td><td colspan=1 rowspan=1 > 258 </td><td colspan=1 rowspan=1 > 17520 </td><td colspan=1 rowspan=1 > 17258 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Neulles </td><td class="highlighted"  colspan=1 rowspan=1 > 139 </td><td colspan=1 rowspan=1 > 17500 </td><td colspan=1 rowspan=1 > 17259 </td></tr>
<tr> <td colspan=1 rowspan=1 > Saint-Ciers-Champagne </td><td colspan=1 rowspan=1 > 367 </td><td colspan=1 rowspan=1 > 17520 </td><td colspan=1 rowspan=1 > 17316 </td></tr>
<tr> <td colspan=1 rowspan=1 > Saint-Eugène </td><td colspan=1 rowspan=1 > 292 </td><td colspan=1 rowspan=1 > 17520 </td><td colspan=1 rowspan=1 > 17326 </td></tr>
<tr> <td colspan=1 rowspan=1 > Saint-Germain-de-Vibrac </td><td colspan=1 rowspan=1 > 196 </td><td colspan=1 rowspan=1 > 17500 </td><td colspan=1 rowspan=1 > 17341 </td></tr>
<tr> <td colspan=1 rowspan=1 > Sainte-Lheurine </td><td colspan=1 rowspan=1 > 455 </td><td colspan=1 rowspan=1 > 17520 </td><td colspan=1 rowspan=1 > 17355 </td></tr>
<tr> <td colspan=1 rowspan=1 > Saint-Maigrin </td><td colspan=1 rowspan=1 > 526 </td><td colspan=1 rowspan=1 > 17520 </td><td colspan=1 rowspan=1 > 17357 </td></tr>
<tr> <td colspan=1 rowspan=1 > Saint-Martial-sur-Né </td><td colspan=1 rowspan=1 > 354 </td><td colspan=1 rowspan=1 > 17520 </td><td colspan=1 rowspan=1 > 17364 </td></tr>
</table>
Question:
What are the most and least populated communes in the Canton of Archaic?
Answer:
The least populated commune was Neulles with 139 and the most populated commune was Archiac with 864.