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
['2133', '1573', 'b', 'J', 'B', 'G', '8963', '3261', '3289', 'w', 'S', 'G', '3315', '8837', '6029', '3591']