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
['N', '4691', 'N', '6399', 'm', '7137', 'N', '6329', '7165', '1861', '9099', 'v', 'g', '4723', '4757', '245', 'r', '8583', '3021', 'u', '5103', '551', '3541', '6891', '7999', '6907', '8561', '3101', '2993', 'I', '8195', '3887', 'w', '2341', '1397', 'W', 'G', 'u', '7525', 'z']