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
['E', 'r', '3635', '3535', '1805', '159', '3797', '7559', '8217', '3631', 'a', 'n', '9673', '8225', 'k', 'q', '7777', 'Z', 'L', 'J']