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.
['I', '3891', 'b', 'Q', 'E', 'G', '467', 'X', '7983', 'S', '4789', 'y', '7629', 'L', 'a', 'p', '805', 'P', '4281', '731', 'B', 'l']