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
['l', 'q', 'P', '7689', '6431', '509', 'n', 'z', 'K', '8657', '8475', '423', 'k', '2737', 'T', '7941', 'P', '859', 'L', 'H', 'G', '9791', '6305']