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.
['9449', '9651', 'q', 'C', '2787', 'N', '2415', '157', '1921', '6297', 'n', 'l', 'b', '7435', 'L', 'L', '3169', 'S', 'e', 'R', 'S']