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.
['K', '4475', '1015', 'z', '13', 'G', 'G', 'n', 'T', 'k', '6389', '2043', 'm', 'W', 'T', 'j', '1051', 'w', 'n', '639', '9501', '1211', 'm', 'A']