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:
Rugby union in Cornwall
Table title:
County Championship finals
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Winner </th><th colspan=1 rowspan=1 > Score </th><th colspan=1 rowspan=1 > Runner-up </th><th colspan=1 rowspan=1 > Venue </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <td colspan=1 rowspan=1 > 1989 </td><td colspan=1 rowspan=1 > Durham County </td><td colspan=1 rowspan=1 > 13–9 </td><td colspan=1 rowspan=1 > Cornwall </td><td colspan=1 rowspan=1 > Twickenham </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1991 </td><td class="highlighted"  colspan=1 rowspan=1 > Cornwall </td><td class="highlighted"  colspan=1 rowspan=1 > 29–20 </td><td class="highlighted"  colspan=1 rowspan=1 > Yorkshire </td><td class="highlighted"  colspan=1 rowspan=1 > Twickenham </td><td colspan=1 rowspan=1 > AET, 20–20 after 80 minutes. </td></tr>
<tr> <td colspan=1 rowspan=1 > 1992 </td><td colspan=1 rowspan=1 > Lancashire </td><td colspan=1 rowspan=1 > 9–6 </td><td colspan=1 rowspan=1 > Cornwall </td><td colspan=1 rowspan=1 > Twickenham </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 1998 </td><td colspan=1 rowspan=1 > Cheshire </td><td colspan=1 rowspan=1 > 21–14 </td><td colspan=1 rowspan=1 > Cornwall </td><td colspan=1 rowspan=1 > Twickenham </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1999 </td><td class="highlighted"  colspan=1 rowspan=1 > Cornwall </td><td class="highlighted"  colspan=1 rowspan=1 > 25–15 </td><td class="highlighted"  colspan=1 rowspan=1 > Gloucestershire </td><td class="highlighted"  colspan=1 rowspan=1 > Twickenham </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2001 </td><td colspan=1 rowspan=1 > Yorkshire </td><td colspan=1 rowspan=1 > 47–19 </td><td colspan=1 rowspan=1 > Cornwall </td><td colspan=1 rowspan=1 > Twickenham </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013 </td><td colspan=1 rowspan=1 > Lancashire </td><td colspan=1 rowspan=1 > 35–26 </td><td colspan=1 rowspan=1 > Cornwall </td><td colspan=1 rowspan=1 > Twickenham </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 > Lancashire </td><td colspan=1 rowspan=1 > 35–26 </td><td colspan=1 rowspan=1 > Cornwall </td><td colspan=1 rowspan=1 > Twickenham </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2015 </td><td colspan=1 rowspan=1 > Cornwall </td><td colspan=1 rowspan=1 > 18–13 </td><td colspan=1 rowspan=1 > Lancashire </td><td colspan=1 rowspan=1 > Twickenham </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2016 </td><td colspan=1 rowspan=1 > Cornwall </td><td colspan=1 rowspan=1 > 35–13 </td><td colspan=1 rowspan=1 > Cheshire </td><td colspan=1 rowspan=1 > Twickenham </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2017 </td><td colspan=1 rowspan=1 > Lancashire </td><td colspan=1 rowspan=1 > 19–8 </td><td colspan=1 rowspan=1 > Cornwall </td><td colspan=1 rowspan=1 > Twickenham </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
How did Cornwall do in 1991 and 1999 in the finals?
Answer:
In 1991 and 1999 Cornwall made the County Championships finals, played at Twickenham Stadium, with Cornwall beating first Yorkshire and in 1999 Gloucestershire to win the cup.