Table:
text: Swimming at the 2008 Summer Olympics – Men's 1500 metre freestyle
Heats
Heats
Heat Lane Name_ Nationality Time_
4 7 Samuel Pizzetti Italy 15:07.02
3 7 Takeshi Matsuda Japan 15:09.17
5 8 Gergő Kis Hungary 15:09.67
2 2 Tom Vangeneugden Belgium 15:11.04
1 5 Florian Janistyn Austria 15:12.46
5 7 Troyden Prinsloo South Africa 15:12.64
3 1 Sergey Fesenko Ukraine 15:13.03
2 4 Maciej Hreniak Poland 15:16.16
3 8 Richard Charlesworth Great Britain 15:17.27
4 8 Marcos Rivera Spain 15:18.98
3 2 Sébastien Rouault France 15:21.14
2 1 Dragoș Coman Romania 15:24.05
2 7 Fernando Costa Portugal 15:26.21
1 3 Petar Stoychev Bulgaria 15:28.84
5 2 Nikita Lobintsev Russia 15:35.47
1 6 Ryan Arabejo Philippines 15:42.77
2 8 Ricardo Monasterio Venezuela 15:45.98

text: Swimming at the 2008 Summer Olympics – Men's 1500 metre freestyle
Heats
Heats
Heat Lane Name_ Nationality Time_
5 5 Grant Hackett Australia 14:38.92
3 5 Ryan Cochrane Canada 14:40.84
3 4 Yuri Prilukov Russia 14:41.13
5 6 Zhang Lin China 14:45.84
3 3 David Davies Great Britain 14:46.11
4 6 Oussama Mellouli Tunisia 14:47.76
4 2 Sun Yang China 14:48.39
5 3 Larsen Jensen United States 14:49.53
4 4 Mateusz Sawrymowicz Poland 14:50.30
4 5 Federico Colbertaldo Italy 14:51.44
5 4 Peter Vanderkaay United States 14:52.11
5 1 Spyridon Gianniotis Greece 14:53.32
2 3 Nicolas Rostoucher France 15:00.58
2 5 Mads Glæsner Denmark 15:03.33
4 3 Craig Stevens Australia 15:04.82
3 6 Park Tae-Hwan South Korea 15:05.55

Question: What is Britain's track with a run under 3 in swimming at the 2008 Summer Olympics - men's 1500m freestyle?

Question: Swimming at the 2008 Summer Olympics - Men's 1500m Freestyle, what is the heat in the under 3 lane with a time of 14:48.39?