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
['7349', '3507', 'R', 'R', 'O', 'w', '4957', 'Q', 'D', 'd', 'v', '5385', '6835', 'y', '8351', 'a', 'S', 'K', '1239', '5075', '2589', '995', 'n']