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.
['2889', 'm', 'Q', '6977', '5171', 'N', 'Z', '1411', '1239', 'A', 'A', '307', '2637', 'o']