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
['N', 'r', '7009', '2081', 'x', '6571', 'O', '4511', '5971', '7011', '3819', 't', '1137', '9601', 'U', 'Z', '2547', '2191', '4643', '3657']