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', 'z', '2829', 'X', '9477', 'W', '9115', 'a', 'd', 'h', 'g', '6753', 'R', 'a', '2779', 'l', '1861', 'r', '3141', 'O', '9897', 'Z', '2711']