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', 'B', 'V', '7075', 'L', 'G', 'V', 'r', '6907', 'R', '1445', '6633', '5883', 'B', 'L', 'T']