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 numerical elements in the given list. Return 0 if no numerical element in the list.
['823', 'F', 'i', '315', '3385', 'Q', '1793', '8931', '1309', '6139', '7491', 'W', 'g', '9707', '9443', 'a', '1457', 'U', '47', '5297', 'v', 'D', '3631', 'S', 'C', 'u', 'U', 'O', 'D', '929', '3981', 'q']