[['rank', 'nation', 'gold', 'silver', 'bronze', 'total'], ['1', 'brazil', '6', '2', '3', '11'], ['2', 'venezuela', '3', '3', '1', '7'], ['3', 'ecuador', '3', '1', '1', '5'], ['4', 'argentina', '0', '3', '5', '8'], ['5', 'peru', '0', '1', '1', '2'], ['6', 'aruba', '0', '1', '0', '1'], ['7', 'guyana', '0', '0', '5', '5'], ['8', 'chile', '0', '0', '2', '2'], ['9', 'paraguay', '0', '0', '0', '0']]
there were 6 Nation that didn't have any Gold medal
there were 6 [ENT] that didn't have any [ENT] medal