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
['607', '1559', 'H', 'Q', 't', '199', '6947', 'B', '9759', 's', '5729', 'B', '257', '4587', '7283', 'O', '8517', '5653']