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
['2999', '3289', 'l', 'N', '6815', 's', 'E', '3527', 'I', 'r', '2655', '4365', '1663', 'q', 'y', '8145', 'Q', 'T', 'a', '1125', '5607', '8231', '9831', '257', 'z', 'r', 't', '2491', '6323', 'L']