// Create the data table.
var data = google.visualization.arrayToDataTable([
    ['Genre', '', "Label", { role: 'annotation', role:'style' } ],
    ['column1', 5, 11, 31,  'opacity: 0.2'],
    ['column2', 5, 12, 32,  'opacity: 0.2'],
    ['column3', 5, 13, 33,  'opacity: 0.2'],
    ['column4', 5, 14, 34,  'opacity: 0.2'],
    ['column5', 5, 15, 35,  'opacity: 0.2'],
    ['column6', 5, 26, 36,  'opacity: 0.2']
]);