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
['6687', '2523', '175', 'W', 'o', '8565', 'm', 'w', '5891', '2619', '729', '3941', '9987', '6463', '7293', 'o']