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:
M36 tank destroyer
Table title:
Production
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Month </th><th colspan=1 rowspan=1 > M36 </th><th colspan=1 rowspan=1 > M36B1 </th><th colspan=1 rowspan=1 > M36B2 </th></tr>
<tr> <th colspan=1 rowspan=1 > April 1944 </th><td colspan=1 rowspan=1 > 25 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > May 1944 </th><td colspan=1 rowspan=1 > 100 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > June 1944 </th><td colspan=1 rowspan=1 > 120 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > July 1944 </th><td colspan=1 rowspan=1 > 155 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > August 1944 </th><td colspan=1 rowspan=1 > 100 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > October 1944 </th><td colspan=1 rowspan=1 > 75 </td><td class="highlighted"  colspan=1 rowspan=1 > 50 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > November 1944 </th><td colspan=1 rowspan=1 > 290 </td><td class="highlighted"  colspan=1 rowspan=1 > 93 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > December 1944 </th><td colspan=1 rowspan=1 > 348 </td><td class="highlighted"  colspan=1 rowspan=1 > 44 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > May 1945 </th><td colspan=1 rowspan=1 > 10 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 50 </td></tr>
<tr> <th colspan=1 rowspan=1 > Post-war </th><td colspan=1 rowspan=1 > 190 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 674 </td></tr>
<tr> <th colspan=1 rowspan=1 > Total </th><th colspan=1 rowspan=1 > 1,413 </th><th class="highlighted"  colspan=1 rowspan=1 > 187 </th><th colspan=1 rowspan=1 > 724 </th></tr>
</table>
Question:
When were the M36B1 tanks produced?
Answer:
The production of 187 M36B1 ran from October to December 1944.