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.
['Q', 'V', '8471', 'z', '7227', '4139', 'D', 'z', '8165', '161', '9433', 'i', '8639', 'J', '4839', '7195', '5939', 'f', '3287', 'b', 'd']