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
['B', 'R', 'r', 'r', '6047', 'K', '9053', 'L', 'm', '8991', 'D', '8695', '3501', '8145', '4629', 'o', '6625', 'K', 'Z', '6637', '5003', '7961', '6841', '3759', '5619', '7', 'p', 'w', '3907', 'r']