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.
['o', 'k', 'd', '9711', '6135', 'f', '9959', 'S', 'o', '3057', 'K', 'L', '7639', '4127', '5219', 'T', 'W', 'g', 'B', '3795']