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.
['u', '5555', '3371', '8205', 'k', '8681', 'u', 'l', 'Z', '9475', 'q', 'n', 'a', 'z', '2703', 'S', '7761']