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
['w', 'O', 'Y', '3869', 'K', 'B', 'Q', 'q', '789', 'c', 'Y', '5153', 'P', 'y', 'H', 'Z', 'n', '5237', '5415', 'e', '4193', '7299', '1737']