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
['B', 'b', 'v', '7559', '649', 'B', '7035', 'T', 'M', '9031', '4505', 'c', '6575', '451', 'm', 'Z', '2067', '117', 'U', 's', '4231', 'a', 'S', '281', '6805']