user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Final' regarding 'Athletics at the 2008 Summer Olympics – Women's 400 metres'
Table Content:
| Rank | Lane | Name | Nationality | Time | Notes |
| --- | --- | --- | --- | --- | --- |
| - | 4 | Ohuruogu, ChristineChristine Ohuruogu | Great Britain | 49.62 | WL |
| - | 6 | Williams, SherickaShericka Williams | Jamaica | 49.69 | PB |
| - | 7 | Richards, SanyaSanya Richards | United States | 49.93 | - |
| 4 | 5 | Gushchina, YuliaYulia Gushchina | Russia | 50.01 | PB |
| 5 | 2 | Whyte, RosemarieRosemarie Whyte | Jamaica | 50.68 | - |
| 6 | 8 | Montsho, AmantleAmantle Montsho | Botswana | 51.18 | - |
| DSQ | 9 | Kapachinskaya, AnastasiaAnastasia Kapachinskaya | Russia | 50.03 | PB |
| DSQ | 3 | Firova, TatianaTatiana Firova | Russia | 50.11 | SB |


Question
Who were the first and second place finishers, and how much did first win by?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["Christine Ohuruogu ran in 49.62 seconds, just pipping Shericka Williams by 0.07 seconds in 2008 Summer Olympics – Women's 400 metres."]