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.
['2597', '5589', 'J', 'K', 'k', 'e', '2867', '2661', 'R', 'S', 'B', 'c', '75', 'v', 'f', 'n', 'L', '4663', 'A', '5369', 'R', 'Q', '5593', '263', '1059', 's', '707', '871', 'F', '5643', 'O', 'Z', 'b', 'a', 'S']