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', 'o', '691', 'o', 'R', 'g', 'i', '4411', '5005', '7749', '1109', '2019', 'Q', 'L', 'S', '1559', 'i', 'F', 'J', '3951']