[['rank', 'heat', 'lane', 'name', 'nationality', 'time'], ['1', '4', '4', 'matt grevers', 'united states', '53.41'], ['2', '4', '5', 'arkady vyatchanin', 'russia', '53.64'], ['3', '6', '4', 'aaron peirsol', 'united states', '53.65'], ['4', '6', '7', 'aschwin wildeboer faber', 'spain', '53.67'], ['5', '3', '5', 'gerhardus zandberg', 'south africa', '53.75'], ['6', '6', '5', 'liam tancock', 'great britain', '53.85'], ['7', '5', '3', 'hayden stoeckel', 'australia', '53.93'], ['8', '3', '8', 'ľuboš križko', 'slovakia', '54.07'], ['9', '5', '5', 'ashley delaney', 'australia', '54.08'], ['10', '5', '2', 'junichi miyashita', 'japan', '54.12'], ['11', '4', '2', 'stanislav donets', 'russia', '54.18'], ['12', '4', '3', 'tomomi morita', 'japan', '54.21'], ['13', '6', '3', 'markus rogan', 'austria', '54.22'], ['14', '6', '1', 'mirco di tora', 'italy', '54.39'], ['15', '5', '1', 'guy barnea', 'israel', '54.50'], ['16', '5', '6', 'gregor tait', 'great britain', '54.62'], ['17', '4', '6', 'aristeidis grigoriadis', 'greece', '54.71'], ['18', '3', '4', 'damiano lestingi', 'italy', '54.78'], ['19', '5', '4', 'helge meeuw', 'germany', '54.88'], ['20', '6', '2', 'guilherme guido', 'brazil', '54.89'], ['20', '6', '8', 'răzvan florea', 'romania', '54.89'], ['22', '4', '8', 'george du rand', 'south africa', '54.90'], ['23', '3', '7', 'sung min', 'south korea', '54.99'], ['24', '4', '1', 'gordan kožulj', 'croatia', '55.05'], ['25', '3', '3', 'benjamin stasiulis', 'france', '55.08'], ['26', '2', '6', 'omar pinzón', 'colombia', '55.11'], ['27', '3', '6', 'jonathan massacand', 'switzerland', '55.21'], ['28', '4', '7', 'nick driebergen', 'netherlands', '55.31'], ['29', '2', '5', 'pavel sankovich', 'belarus', '55.39'], ['30', '3', '1', 'derya büyükuncu', 'turkey', '55.43'], ['31', '5', '8', 'jake tapp', 'canada', '55.54'], ['32', '3', '2', 'vytautas janušaitis', 'lithuania', '55.65'], ['33', '6', '6', 'thomas rupprath', 'germany', '55.77'], ['34', '5', '7', 'marko strahija', 'croatia', '55.89'], ['35', '2', '4', 'örn arnarson', 'iceland', '56.15'], ['36', '2', '3', 'roland rudolf', 'hungary', '56.25'], ['37', '2', '2', 'sun xiaolei', 'china', '56.44'], ['38', '2', '8', 'oleksandr isakov', 'ukraine', '56.55'], ['39', '1', '4', 'danil bugakov', 'uzbekistan', '56.59'], ['40', '2', '7', 'eduardo germán otero', 'argentina', '56.74'], ['41', '2', '1', 'tomáš fučík', 'czech republic', '57.29'], ['42', '1', '5', 'stanislav osinsky', 'kazakhstan', '57.42'], ['43', '1', '3', 'jared heine', 'marshall islands', '58.86'], ['44', '1', '2', 'souhaib kalala', 'syria', '1:00.24'], ['45', '1', '6', 'rubel mohammad rana', 'bangladesh', '1:04.82']]
Liam Tancock and Gregor Tait were both representing Great Britain
[ENT] and [ENT] were both representing [ENT]