In this task, you are given an input list. A list contains several comma-separated items written within brackets. You need to return the count of all the alphabetical elements in the given list. Return 0 if no alphabetical element in the list
['U', '7211', 'R', '139', 'a', '9089', 'D', 'f', '9387', '8807', 'g', '8557', 'w', '6629', 's', 'S', '8333']