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
['6685', '4907', '5267', '6303', '8139', 'H', '8583', '1963', '9787', 'N', 'z', 'Y', 'Z']