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:
2011 South Kesteven District Council election
Table title:
By-elections between 2011 and 2015
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=2 rowspan=1 > Party </th><th colspan=1 rowspan=1 > Candidate </th><th colspan=1 rowspan=1 > Votes </th><th colspan=1 rowspan=1 > % </th><th colspan=1 rowspan=1 > ± </th></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > Conservative </td><td class="highlighted"  colspan=1 rowspan=1 > Peter Moseley </td><td class="highlighted"  colspan=1 rowspan=1 > 359 </td><td colspan=1 rowspan=1 > 75.6 </td><td colspan=1 rowspan=1 > +3.5 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > Labour </td><td class="highlighted"  colspan=1 rowspan=1 > John Morgan </td><td class="highlighted"  colspan=1 rowspan=1 > 116 </td><td colspan=1 rowspan=1 > 24.4 </td><td colspan=1 rowspan=1 > +24.4 </td></tr>
<tr> <th colspan=3 rowspan=1 > Majority </th><td class="highlighted"  colspan=1 rowspan=1 > 243 </td><td colspan=1 rowspan=1 > 51.2 </td><td colspan=1 rowspan=1 > +6.9 </td></tr>
<tr> <th colspan=3 rowspan=1 > Turnout </th><td colspan=1 rowspan=1 > 475 </td><td colspan=1 rowspan=1 > 26.2 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=2 rowspan=1 > Conservative hold </td><th colspan=1 rowspan=1 > Swing </th><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
Who won the 2011 South Kesteven District Council election, and what was the margin?
Answer:
The seat was held for the Conservatives by Peter Moseley with a majority of 243 votes over Labour candidate John Morgan.