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.
['5783', 'O', 'm', '8421', '5539', 'S', '5087', 'K', 'j', '3273', 'h', '8225', '9841', 'K', '5777', 'S', '8495', 'U', '3463', '2347', 'u', '4437', 'Q', 'j', '7869', 'N', '7297']