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.
['4997', 'r', 'h', '4173', 'E', 'k', '4227', '2217', '5563', '2495', '315', '5207', 'l', '4269', '1223', 'Q', 'o', 'q', 'C', '6347', '6817', '5843', 'C', '5267', 'L', 'f', 'm', '4319', 'f', '6291', 'm', 'I', 'a']