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.
['4327', 'p', '8961', 't', '2867', '9139', 'i', 'I', '6903', '9865', '4683', 'Q', '5911', '6557', '4389', 'r', '2043', 'C', '3317', 'w', 'O']