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
['3069', '8525', '6161', 'O', 'o', 'U', '4989', '1497', '3783', 'O', 'N', 'a', '6547', 'A', '2665', 'J', '7495', 'c', 'S']