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:
List of Speakers of the House of Magnates
Table title:

Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Name </th><th colspan=1 rowspan=1 > Entered Office </th><th colspan=1 rowspan=1 > Left Office </th></tr>
<tr> <td colspan=1 rowspan=1 > Gyula Wlassics </td><td colspan=1 rowspan=1 > 31 January 1927 </td><td colspan=1 rowspan=1 > 8 March 1935 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Bertalan Széchényi </td><td class="highlighted"  colspan=1 rowspan=1 > 1 May 1935 </td><td colspan=1 rowspan=1 > 3 June 1943 </td></tr>
<tr> <td colspan=1 rowspan=1 > Zsigmond Perényi </td><td colspan=1 rowspan=1 > 23 October 1943 </td><td colspan=1 rowspan=1 > 3 November 1944 </td></tr>
<tr> <td colspan=1 rowspan=1 > Jenő Rátz </td><td colspan=1 rowspan=1 > 8 November 1944 </td><td colspan=1 rowspan=1 > 28 March 1945 </td></tr>
</table>
Question:
When was Bertalan Széchényi the Speaker of the House of Magnates?
Answer:
Bertalan Széchényi served as Speaker of the House of Magnates from May 1, 1935 to June 3, 1943.