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
['6381', 'A', '5149', '891', 'z', '3789', '8743', 'y', '1683', 'B', 'q', 'l', 'U', 'B', 'o', 'R', '6681', '5299', '9627', 'f', '2049', '9413', 'b', 'W']