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:
Buckingham (UK Parliament constituency)
Table title:
MPs since 1868
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 > 1868 </td><td colspan=1 rowspan=1 > Sir Harry Verney </td><td colspan=1 rowspan=1 > Liberal </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1874 </td><td colspan=1 rowspan=1 > Egerton Hubbard </td><td colspan=1 rowspan=1 > Conservative </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1880 </td><td colspan=1 rowspan=1 > Sir Harry Verney </td><td colspan=1 rowspan=1 > Liberal </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1885 </td><td colspan=1 rowspan=1 > Edmund Verney </td><td colspan=1 rowspan=1 > Liberal </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1886 </td><td colspan=1 rowspan=1 > Egerton Hubbard </td><td colspan=1 rowspan=1 > Conservative </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1889 by-election </td><td colspan=1 rowspan=1 > Edmund Verney (expelled) </td><td colspan=1 rowspan=1 > Liberal </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1891 by-election </td><td colspan=1 rowspan=1 > Herbert Leon </td><td colspan=1 rowspan=1 > Liberal </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1895 </td><td colspan=1 rowspan=1 > William Carlile </td><td colspan=1 rowspan=1 > Conservative </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1906 </td><td colspan=1 rowspan=1 > Frederick Verney </td><td colspan=1 rowspan=1 > Liberal </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1910 </td><td colspan=1 rowspan=1 > Sir Harry Verney </td><td colspan=1 rowspan=1 > Liberal </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1918 </td><td colspan=1 rowspan=1 > George Bowyer </td><td colspan=1 rowspan=1 > Conservative </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1937 by-election </td><td colspan=1 rowspan=1 > John Whiteley </td><td colspan=1 rowspan=1 > Conservative </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1943 by-election </td><td colspan=1 rowspan=1 > Lionel Berry </td><td colspan=1 rowspan=1 > Conservative </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1945 </td><td colspan=1 rowspan=1 > Aidan Crawley </td><td colspan=1 rowspan=1 > Labour </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1951 </td><td colspan=1 rowspan=1 > Frank Markham </td><td colspan=1 rowspan=1 > Conservative </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1964 </td><td colspan=1 rowspan=1 > Robert Maxwell </td><td colspan=1 rowspan=1 > Labour </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1970 </td><td colspan=1 rowspan=1 > William Benyon </td><td colspan=1 rowspan=1 > Conservative </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1983 </td><td colspan=1 rowspan=1 > George Walden </td><td colspan=1 rowspan=1 > Conservative </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > 1997 </td><td class="highlighted"  colspan=1 rowspan=2 > John Bercow </td><td class="highlighted"  colspan=1 rowspan=1 > Conservative </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > 2009 </td><td class="highlighted"  colspan=1 rowspan=1 > Speaker </td></tr>
</table>
Question:
What is the Buckingham?
Answer:
Buckingham is a constituency of the UK Parliament represented since 1997 by Conservative MP John Bercow, who later became Speaker.