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.
['3707', 'd', '8177', 'O', 'w', 'p', 'h', '6671', 'l', 'S', '6549', 'Z', '7691', 'Q', '2703']