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
['Z', '4431', '3717', '1149', 'd', 'i', '2145', '3331', 'r', 'C', 'B', '5613', '2797', '3461', 'o', '4415', '6809', 'b', 'q', 'O', '5451', 'n', '5209', '9339', '6419', 'N', '289', '3325', 'S', '471', '139', '8981', '1769', 'H', '7227', '4803', 'B', 'W']