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.
['247', 'R', 'C', 'W', 'L', 'W', '1529', '1643', 'a', 't', 'b', '5915', 'v', 'j', '7087', 'p', 'u', '2405', 'f', 'a', '7043', '4005']