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.
['z', 'D', 'E', '6433', '6089', '1809', 'b', '5289', 'z', 'z', 'O', '6007', 'd']