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.
['O', 'U', '6837', 'f', 'U', 'q', '7613', '7427', 'j', 'z', '589', '6099', '301', '7143', '6827', 'M', 'F', '5335']