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:
List of awards and nominations received by The Golden Girls
Table title:
American Comedy Awards
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Category </th><th colspan=1 rowspan=1 > Nominee(s) </th><th colspan=1 rowspan=1 > Result </th><th colspan=1 rowspan=1 > Ref </th></tr>
<tr> <td colspan=1 rowspan=1 > 1987 </td><th colspan=1 rowspan=2 > Funniest Female Performer in a TV Series (Leading Role) Network, Cable or Syndication </th><td colspan=1 rowspan=3 > Betty White </td><td colspan=1 rowspan=1 > Won </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=2 > 1990 </td><td colspan=1 rowspan=1 > Nominated </td><td colspan=1 rowspan=2 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > Lifetime Achievement Award in Comedy </th><td colspan=1 rowspan=1 > Won </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1991 </td><th class="highlighted"  colspan=1 rowspan=2 > Funniest Supporting Female Performer in a TV Series </th><td class="highlighted"  colspan=1 rowspan=2 > Estelle Getty </td><td class="highlighted"  colspan=1 rowspan=1 > Won </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1992 </td><td class="highlighted"  colspan=1 rowspan=1 > Won </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
During which two years did Estelle Getty win the award for Funniest Supporting Female Performer in a TV Series?
Answer:
Estelle Getty won the award for Funniest Supporting Female Performer in a TV Series in 1991 and 1992.