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:
1997 Winchester by-election
Table title:
Results
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 colspan=1 rowspan=1 > Liberal Democrat </td><td class="highlighted"  colspan=1 rowspan=1 > Mark Oaten </td><td colspan=1 rowspan=1 > 37,006 </td><td colspan=1 rowspan=1 > 68.0 </td><td colspan=1 rowspan=1 > +26.0 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > Conservative </td><td class="highlighted"  colspan=1 rowspan=1 > Gerry Malone </td><td colspan=1 rowspan=1 > 15,450 </td><td colspan=1 rowspan=1 > 28.4 </td><td colspan=1 rowspan=1 > −13.6 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Labour </td><td colspan=1 rowspan=1 > Patrick Davies </td><td colspan=1 rowspan=1 > 944 </td><td colspan=1 rowspan=1 > 1.7 </td><td colspan=1 rowspan=1 > −8.8 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > UKIP </td><td colspan=1 rowspan=1 > Robin Page </td><td colspan=1 rowspan=1 > 521 </td><td colspan=1 rowspan=1 > 1.0 </td><td colspan=1 rowspan=1 > +0.2 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Monster Raving Loony </td><td colspan=1 rowspan=1 > Lord David Sutch </td><td colspan=1 rowspan=1 > 316 </td><td colspan=1 rowspan=1 > 0.6 </td><td colspan=1 rowspan=1 > +0.1 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > "Literal Democrat Mark Here to Win" </td><td colspan=1 rowspan=1 > Richard Huggett </td><td colspan=1 rowspan=1 > 59 </td><td colspan=1 rowspan=1 > 0.1 </td><td colspan=1 rowspan=1 > −0.9 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Natural Law </td><td colspan=1 rowspan=1 > Rosemary Barry </td><td colspan=1 rowspan=1 > 48 </td><td colspan=1 rowspan=1 > 0.1 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Ind. Conservative </td><td colspan=1 rowspan=1 > Roger Everest </td><td colspan=1 rowspan=1 > 40 </td><td colspan=1 rowspan=1 > 0.1 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=3 rowspan=1 > Majority </th><td class="highlighted"  colspan=1 rowspan=1 > 21,556 </td><td colspan=1 rowspan=1 > 39.6 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=3 rowspan=1 > Turnout </th><td colspan=1 rowspan=1 > 54,384 </td><td colspan=1 rowspan=1 > 68.7 </td><td colspan=1 rowspan=1 > 9.9 </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=2 rowspan=1 > Liberal Democrat gain from Conservative </td><th colspan=1 rowspan=1 > Swing </th><td colspan=1 rowspan=1 > 19.8 </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
Who defeated Gerry Malone in the 1997 election and what was the vote margin?
Answer:
Oaten won the seat with a majority of 21,556 over second placed Gerry Malone of Conservative party in the 1997 Winchester by-election.