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
['R', 'U', 'i', '7619', '419', 'o', '7059', 'v', 'L', 'N', '6103', 'V', '2729', 'a', '639']