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.
['6835', '7119', 'n', 'T', '391', '5871', '3357', '6361', 'o', '4969', 's', '1421', 'V', 'T', 'P', '4429', '8699', 'V', 'y', '3249', 'n', '9567', 'D', '7491', 'B', 'J']