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.
['6943', '8653', 'a', '6507', '5071', 'q', 'y', '2673', '9649', 'P', '3693', 'J', '7199', '4293', '6293', 'I', 'J', 'O']