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.
['j', '565', 'a', '3715', 'J', 'h', 'e', 'p', '5929', 'R', 't', 'L', '5295', '1971', 'U', 'A', '7223', 'b']