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.
['5279', '9693', 'R', '3739', '2597', 'l', '4319', 'U', 'J', '2389', 'W', '3739', '3159', '8991']