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
['1897', 'r', '4533', '5781', 'b', 'u', 'q', 'w', 'y', '3693', '4479', 'k', '4001', 'b', 'N', '3515', '1987', '7615', '8533']