[['heat rank', 'lane', 'swimmer', 'country', 'time', 'overall rank'], ['1', '6', 'khaly ciss', 'senegal', '27.06', '97'], ['2', '5', 'niall roberts', 'guyana', '27.70', 't109'], ['3', '7', 'battushig enkhtaivan', 'mongolia', '27.89', '113'], ['4', '8', 'bertrand bristol', 'seychelles', '28.08', '116'], ['5', '1', 'monder al - jabali', 'libya', '28.10', '117'], ['6', '4', 'aleksey klimenko', 'kyrgyzstan', '28.14', '118'], ['7', '3', 'tural abbasov', 'azerbaijan', '28.32', '123'], ['8', '2', 'nasir ali', 'pakistan', '28.39', '125']]
the Country Libya had an Overall Rank of 20 less than that of Senegal
the [ENT] [ENT] had an [ENT] of 20 less than that of [ENT]