user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Final' regarding 'Athletics at the 1992 Summer Olympics – Women's 400 metres hurdles'
Table Content:
| RANK | FINAL | TIME |
| --- | --- | --- |
| - | Sally Gunnell (GBR) | 53.23 |
| - | Sandra Farmer-Patrick (USA) | 53.69 |
| - | Janeene Vickers (USA) | 54.31 |
| 4. | Tatyana Ledovskaya (EUN) | 54.31 |
| 5. | Vera Ordina (EUN) | 54.83 |
| 6. | Margarita Ponomaryova (EUN) | 54.83 |
| 7. | Deon Hemmings (JAM) | 55.58 |
| — | Myrtle Bothma (RSA) | DNF |


Question
Who received the silver and bronze medals for the women's 400 metres hurdles at the 1992 Summer Olympics?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["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."]