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:
Athletics at the 1992 Summer Olympics – Women's 400 metres hurdles
Table title:
Final
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > RANK </th><th colspan=1 rowspan=1 > FINAL </th><th colspan=1 rowspan=1 > TIME </th></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > Sally Gunnell (GBR) </td><td colspan=1 rowspan=1 > 53.23 </td></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td class="highlighted"  colspan=1 rowspan=1 > Sandra Farmer-Patrick (USA) </td><td class="highlighted"  colspan=1 rowspan=1 > 53.69 </td></tr>
<tr> <td colspan=1 rowspan=1 > - </td><td class="highlighted"  colspan=1 rowspan=1 > Janeene Vickers (USA) </td><td class="highlighted"  colspan=1 rowspan=1 > 54.31 </td></tr>
<tr> <td colspan=1 rowspan=1 > 4. </td><td class="highlighted"  colspan=1 rowspan=1 > Tatyana Ledovskaya (EUN) </td><td class="highlighted"  colspan=1 rowspan=1 > 54.31 </td></tr>
<tr> <td colspan=1 rowspan=1 > 5. </td><td colspan=1 rowspan=1 > Vera Ordina (EUN) </td><td colspan=1 rowspan=1 > 54.83 </td></tr>
<tr> <td colspan=1 rowspan=1 > 6. </td><td colspan=1 rowspan=1 > Margarita Ponomaryova (EUN) </td><td colspan=1 rowspan=1 > 54.83 </td></tr>
<tr> <td colspan=1 rowspan=1 > 7. </td><td colspan=1 rowspan=1 > Deon Hemmings (JAM) </td><td colspan=1 rowspan=1 > 55.58 </td></tr>
<tr> <td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > Myrtle Bothma (RSA) </td><td colspan=1 rowspan=1 > DNF </td></tr>
</table>
Question:
Who received the silver and bronze medals for the women's 400 metres hurdles at the 1992 Summer Olympics?
Answer:
Farmer-Patrick was in second, winning silver in 53.69 secs, while Vickers narrowly held on for the bronze medal from Ledovskaya, both being timed at 54.31 secs.