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
['6973', '8533', 'J', '9109', '8573', '2293', '7659', 'U', '191', '3955', 'k', 's', 'G', '1633', '4865', 'a', '531', 'M', '5967']