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.
['b', 'L', '1353', '8647', '1431', 'z', 'c', 'c', 'B', 'p', '495', 'n', '391', '5089', '1243', 'Y', '1807']