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:
Isle of Ely (UK Parliament constituency)
Table title:
Elections in the 1920s
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 > Unionist </td><td colspan=1 rowspan=1 > Norman Coates </td><td colspan=1 rowspan=1 > 13,552 </td><td colspan=1 rowspan=1 > 50.9 </td><td colspan=1 rowspan=1 > n/a </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > National Liberal </td><td colspan=1 rowspan=1 > Colin Coote </td><td colspan=1 rowspan=1 > 7,359 </td><td class="highlighted"  colspan=1 rowspan=1 > 27.7 </td><td colspan=1 rowspan=1 > n/a </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > Labour </td><td colspan=1 rowspan=1 > William George Hall </td><td colspan=1 rowspan=1 > 5,688 </td><td class="highlighted"  colspan=1 rowspan=1 > 21.4 </td><td colspan=1 rowspan=1 > n/a </td></tr>
<tr> <th colspan=3 rowspan=1 > Majority </th><td colspan=1 rowspan=1 > 6,193 </td><td colspan=1 rowspan=1 > 23.2 </td><td colspan=1 rowspan=1 > n/a </td></tr>
<tr> <th colspan=3 rowspan=1 > Turnout </th><td colspan=1 rowspan=1 > 26,599 </td><td colspan=1 rowspan=1 > 72.0 </td><td colspan=1 rowspan=1 > n/a </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=2 rowspan=1 > Unionist gain from National Liberal </td><th colspan=1 rowspan=1 > Swing </th><td colspan=1 rowspan=1 > n/a </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
Which party did Colin Coote and William George Hall represent, and how much of the vote did they recieve?
Answer:
The National Liberal Party received 27.7% of vote, and Labour received 21.4%.