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.
['q', 'w', '421', 'S', 'm', '5917', '6397', 'I', '1771', '171', '3213', '2961', '975', 'V', '3581', '2833', 'D', 'J', 'H', '623', 'a', 'l', '7059', '9903', '8027', '3673']