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.
['495', 'e', '4309', '8037', 'G', 'q', '4835', '6769', 'y', '3473', 'B', '5487', 't', 'f', 'B', '3293', '5093', '7001', 'u', '1789']