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.
['1665', '7107', 'z', '8333', '797', 'I', 'e', 'V', '3215', 'D', '5125', 'R', 'E', '8687', 'a', 'q', '909', 'V']