[['heat rank', 'lane', 'swimmer', 'country', 'time', 'overall rank'], ['1', '8', 'erik rajohnson', 'madagascar', '26.68', '92'], ['2', '4', 'yassir abalalla', 'bolivia', '27.09', '98'], ['3', '3', 'jonathan calderon', 'saint lucia', '27.16', '101'], ['4', '7', 'leonel dos santos matonse', 'mozambique', '27.41', '104'], ['5', '5', 'luke hall', 'swaziland', '27.47', '105'], ['6', '6', 'naji askia ferguson', 'grenada', '27.55', '107'], ['7', '2', 'marco camargo gonzalez', 'ecuador', '27.66', '108'], ['8', '1', 'jamie zammitt', 'gibraltar', '28.17', '121']]
25% of the Swimmer have a Overall Rank lower than 100
25% of the [ENT] have a [ENT] lower than 100