[['rank', 'heat', 'lane', 'name', 'nationality', 'time'], ['1', '6', '4', 'michael phelps', 'united states', '1:53.70'], ['2', '4', '2', 'lászló cseh', 'hungary', '1:54.48'], ['3', '6', '3', 'kaio de almeida', 'brazil', '1:54.65'], ['4', '6', '6', 'takeshi matsuda', 'japan', '1:55.06'], ['5', '4', '4', 'paweł korzeniowski', 'poland', '1:55.21'], ['6', '6', '5', 'nikolay skvortsov', 'russia', '1:55.33'], ['7', '5', '5', 'wu peng', 'china', '1:55.39'], ['8', '5', '4', 'gil stovall', 'united states', '1:55.42'], ['9', '5', '7', 'michael rock', 'great britain', '1:55.55'], ['10', '4', '5', 'moss burmester', 'new zealand', '1:55.80'], ['11', '5', '3', 'ryuichi shibata', 'japan', '1:55.82'], ['12', '4', '6', 'dinko jukić', 'austria', '1:55.96'], ['13', '4', '1', 'ioan gherghel', 'romania', '1:56.09'], ['14', '6', '1', 'sergiy advena', 'ukraine', '1:56.24'], ['15', '5', '6', 'chen yin', 'china', '1:56.55'], ['16', '3', '2', 'hsu chi - chieh', 'chinese taipei', '1:56.59'], ['17', '5', '2', 'christophe lebon', 'france', '1:56.63'], ['18', '6', '2', 'travis nederpelt', 'australia', '1:56.64'], ['19', '6', '7', 'mathieu fonteyn', 'belgium', '1:56.65'], ['20', '4', '7', 'niccolo beni', 'italy', '1:56.99'], ['21', '4', '3', 'denys sylantyev', 'ukraine', '1:57.02'], ['22', '5', '1', 'tamás kerékjártó', 'hungary', '1:57.29'], ['23', '6', '8', 'juan veloz', 'mexico', '1:57.32'], ['24', '3', '6', 'pedro oliveira', 'portugal', '1:57.41'], ['25', '4', '8', 'adam sioui', 'canada', '1:57.45'], ['26', '3', '5', 'simon sjödin', 'sweden', '1:57.75'], ['27', '5', '8', 'romanos alyfantis', 'greece', '1:57.99'], ['28', '3', '8', 'alon mandel', 'israel', '1:59.27'], ['29', '2', '5', 'james walsh', 'philippines', '1:59.39'], ['30', '3', '3', 'omar pinzón', 'colombia', '1:59.47'], ['31', '1', '3', 'nikša roki', 'croatia', '1:59.58'], ['32', '2', '1', 'javier núñez', 'spain', '2:00.24'], ['33', '2', '7', 'andrés josé gonzález', 'argentina', '2:00.36'], ['34', '2', '6', 'yoo jung - nam', 'south korea', '2:01.00'], ['35', '3', '4', 'jeremy knowles', 'bahamas', '2:01.08'], ['36', '2', '8', 'alexis márquez rivas', 'venezuela', '2:01.25'], ['37', '3', '7', 'daniel bego', 'malaysia', '2:01.28'], ['38', '2', '3', 'douglas lennox - silva', 'puerto rico', '2:01.69'], ['39', '3', '1', 'georgi palazov', 'bulgaria', '2:01.84'], ['40', '1', '5', 'rehan poncha', 'india', '2:01.89'], ['41', '1', '4', 'emmanuel crescimbeni', 'peru', '2:02.13'], ['42', '1', '6', 'javier hernández maradiaga', 'honduras', '2:02.23'], ['43', '2', '4', 'vladan marković', 'serbia', '2:03.12'], ['44', '2', '2', 'donny utomo', 'indonesia', '2:03.44']]
Sergiy Advena and Denys Sylantyev represented the same country
[ENT] and [ENT] represented the same country