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.
['455', '4961', 'W', 'T', 'a', '7691', 'I', '4547', '7949', '6089', '923', '2737', '959', 'l', 'c', '3463', 'q', 'I', '1775', '9789', 'b', '8627', 'v', 'X', 'Q', '9203', 'U', 'U', 'n', '5243']