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.
['701', '927', 'k', 'k', '4539', '4519', 'W', '6115', 'D', 'E', '2637', '4071', '719', '7161', '3035', 'o', 'I', '7159', 'Q', '4805']