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.
['759', '3863', 'u', 'S', 'L', 'n', 'p', 'l', 'O', '1371', '8243', '5051', '8913', 'q', 'e', 'E', 'K']