Swimming at the 2004 Summer Olympics – Men's 400 metre freestyle
Final
Table:
Rank
Lane
Name
Nationality
Time
Notes

5
Ian Thorpe
Australia
3:43.10

4
Grant Hackett
Australia
3:43.36

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

Taking into account the table named Swimming at the 2004 Summer Olympics – Men's 400 metre freestyle, section Final, answer the following question with a short sentence: In which event did Australia's Ian Thorpe edge out his teammate Grant Hackett and by how much time? Output only the correct answer as {"answer": "YOUR ANSWER"}.

answer: 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.