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
['3811', 'n', '21', 'j', 'N', 'd', '6651', 'm', 'l', 'X', 'x', 't', '9771', '9199', 'S', 'z', '5425', 'B', '2551', 'r', 'u', '8021', 'n', 'A', '517', '6789']