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
['2931', '7497', 'n', '9799', 'f', '7911', '6549', 'N', 'w', '4299', 'p', '6755', 'F', '8989', 'T', 'b', 'y', 'm', 'n', '4221']