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.
['6629', 'J', '8563', 'd', '6653', 'b', 'u', 'I', '3771', '1037', 'd', '3705', 'g', '5265', 'g', 'S', 'A', '5887', 'S', 'z', 'c', 'n', 't', 'r', 'u', 'o', 'l']