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
['8149', 'B', 'q', '4835', '143', '699', '4915', 'o', 'a', 't', 's', '2663', '9579', 'a', 'O', 'Q', 'n', '2993', 'O', 'w', '5673', '8059', '5505', '7333']