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.
['J', '5473', '949', '7945', 'n', 'k', '8497', 'c', 'E', 'J', 'Z', '8939', 'R', 'L', 'x', 'O', 'g', 'B']