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.
['D', '2855', 'Z', 'M', 'u', 'q', 'D', '7985', '8719', '9645', 's', 'R', '2457', 'R', '3437', '5619', 'M', 'G', '6979', 'g']