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', 'z', 'p', '9267', 'd', '6827', 'z', 'c', 'D', 'z', '1071', '5145', '6743', 'L', '8289', '4775', 'R']