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.
['H', '4755', '9193', 'u', '1545', '499', '1085', '3967', '5971', 'O', 's', '8573', 'Q', '8839', 'y', 'M', '6391', '4483', 'k', '2421', 'B', 'C']