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.
['8235', 'Y', 'L', '4771', 'X', '3529', 'k', '5037', '15', 'g', 'O', '6395']