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.
['r', '7915', '6349', '6895', 'q', '1789', 'Z', 'd', 'q', 'o', 'e', 'p', '187', '3035', '2231']