user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Final' regarding 'Swimming at the 2004 Summer Olympics – Men's 400 metre freestyle'
Table Content:
| Rank | Lane | Name | Nationality | Time | Notes |
| --- | --- | --- | --- | --- | --- |
| 1 | 5 | Ian Thorpe | Australia | 3:43.10 | - |
| 2 | 4 | Grant Hackett | Australia | 3:43.36 | - |
| 3 | 2 | Klete Keller | United States | 3:44.11 | AM |
| 4 | 3 | Larsen Jensen | United States | 3:46.08 | - |
| 5 | 6 | Massimiliano Rosolino | Italy | 3:46.25 | - |
| 6 | 7 | Yuri Prilukov | Russia | 3:46.69 | - |
| 7 | 1 | Spyridon Gianniotis | Greece | 3:48.77 | - |
| 8 | 8 | Takeshi Matsuda | Japan | 3:48.96 | AS |


Question
In which event did Australia's Ian Thorpe edge out his teammate Grant Hackett and by how much time?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["In Swimming at the 2004 Summer Olympics – Men's 400 metre freestyle, Australia's Ian Thorpe edged out his teammate Grant Hackett and won the Olympic title in 3:43.10."]