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.
['6997', '1837', 'V', 'f', 'y', '353', '93', '1255', '813', 'J', 'Z', 'I', '3865', '2987']