Table: swimming at the 2008 summer olympics - men 's 1500 metre freestyle
[['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'], ['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'], ['1', '4', 'juan martín pereyra', 'argentina', '15:49.57'], ['1', '2', 'ediz yildirimer', 'turkey', '16:28.79'], ['2', '6', 'christian kubusch', 'germany', 'dns'], ['4', '1', 'luka turk', 'slovenia', 'dns']]
Statement: there were 12 swimmer that finished under 15 minute , while another 22 swimmer finished under 16 minute
Statement: there were 2 swimmer during the competition that did not start the race
Statement: the most swimmer under 15 minute were competing in Heat 5
Statement: 1 more swimmer in Heat 5 went under 15 minute than in Heat 4
Statement: 2 swimmer that went under 15 minute were from China