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
['n', 'R', 'Q', 'E', 'S', 'X', '9939', 'z', 'I', '7303', 's', '6925']