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
['S', '1869', 'S', 'r', '6573', 'I', '6631', '7367', 'U', '5011', 'A', 'l', '6295', '3183', 'w', 'w', 'D', '2329', '3391']