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.
['u', '7187', 'k', 'Y', '5389', '5645', '9093', '6083', 'u', 'b', 'K', 'a', '979', 'j', '2339', 'j', 'O', '717', 'P']