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
['8707', '5191', '1973', '4495', '4487', '9023', '135', '9009', 'r', 'a', '6487', '5475']