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
['5855', '59', 'r', 'E', 'R', 'H', '6913', '9517', '4113', '859', 'O', '7007', '2561', '8701', 'b', '6987', '5037', 'U', 'C', 'U']