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
['O', 'x', 'l', '6339', '5779', '7653', 'x', '1931', 'R', 'N', 'Q', 'm', 'u', '6743', 'i', '6757']