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.
['5567', 'r', '8457', 'n', 'd', '9869', '5251', '1535', '5929', 'c', '5887', '8755', '4355', 'Q', '6829']