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
['2731', '3681', 'L', '6851', '5319', '9783', '451', '2905', 'T', '1869', '5519', '3617', 'I', '1281', 'W', 'r']