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
['105', 'I', '1891', '1723', '7127', 'd', 'Q', 'H', 'y', 'C', 'b', 'P', '3881', '4661', 'U', '7365', '3535', '7907', '3805', 't', '6889', 'K', 'B']