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
['U', 'x', 'U', 'F', '4865', '3661', 'Q', 'l', '677', '3211', '4473', '6745', 'W', 'B', 'D', 'U']