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.
['o', '6897', '6351', 'y', 'D', 'F', 'S', '9231', '2151', '4289', '3879', 'G']