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:
Amber Valley (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 class="highlighted"  colspan=1 rowspan=1 > 1983 </td><td class="highlighted"  colspan=1 rowspan=1 > Phillip Oppenheim </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 > 1997 </td><td class="highlighted"  colspan=1 rowspan=1 > Judy Mallaber </td><td class="highlighted"  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 > Nigel Mills </td><td colspan=1 rowspan=1 > Conservative </td></tr>
</table>
Question:
When was the Amber Valley Constituency created and who held the seat until 1997?
Answer:
The Amber Valley constituency was created in 1983. The seat was held by Phillip Oppenheim of the Conservative Party until Judy Mallaber of the Labour Party won the seat in 1997.