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.
['3897', 'U', '9631', '7827', '4071', '9957', 'U', '6321', 'P', '2643', '8873', '6805', '1309', 'N', 'a', 'T', '4703', 'f', 'N', 'K', 'X', 'H', 'j', '2007', '7475', 'Q']