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.
['9049', 'O', '4365', '1311', 't', '5335', 'm', 'J', '8537', '7755', '7789', '2439', '91', '3139', 'w', 'u']