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:
Lewisham East (UK Parliament constituency)
Table title:
Members of Parliament
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=2 rowspan=1 > Election </th><th colspan=1 rowspan=1 > Member </th><th colspan=1 rowspan=1 > Party </th></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1918 </td><td class="highlighted"  colspan=1 rowspan=1 > Assheton Pownall </td><td class="highlighted"  colspan=1 rowspan=1 > Conservative </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > 1945 </td><td class="highlighted"  colspan=1 rowspan=1 > Herbert Morrison </td><td class="highlighted"  colspan=1 rowspan=1 > Labour </td></tr>
<tr> <td class="highlighted"  colspan=2 rowspan=1 > 1950 </td><td colspan=2 rowspan=1 > constituency abolished </td></tr>
<tr> <td colspan=2 rowspan=1 > Feb 1974 </td><td colspan=2 rowspan=1 > constituency recreated </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Feb 1974 </td><td colspan=1 rowspan=1 > Roland Moyle </td><td colspan=1 rowspan=1 > Labour </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1983 </td><td colspan=1 rowspan=1 > Colin Moynihan </td><td colspan=1 rowspan=1 > Conservative </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1992 </td><td colspan=1 rowspan=1 > Bridget Prentice </td><td colspan=1 rowspan=1 > Labour </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 2010 </td><td colspan=1 rowspan=1 > Heidi Alexander </td><td colspan=1 rowspan=1 > Labour </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 2018 by-election </td><td colspan=1 rowspan=1 > Janet Daby </td><td colspan=1 rowspan=1 > Labour </td></tr>
</table>
Question:
Who held the seat from 1945 to 1950 after taking it over from Pownall?
Answer:
From 1945 to 1950 the seat was represented by Herbert Morrison of the Labour Party, who took the seat from its first MP, Conservative Assheton Pownall.