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
['2181', 'B', 'E', 'G', '1699', 'r', '6251', 'H', '3763', '449', 'R', '7273', '2671', 'S', 'c']