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.
['S', 'k', 'n', 'r', 'T', 'K', 'o', '1759', '2021', '6517', '9021', 'W', 'M', '7649']