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.
['i', 'B', 'H', '255', '4299', '8309', 'z', 'm', 'Q', '1511', '2421', '6295', 'T', 'K', '1125', 'l', '9839', 'i', 'W', 'r', 'K', '663', 'r', '6675', 'r', '8123', 'q']