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.
['1737', '7749', 'y', '9751', 'W', 'S', '843', '7663', 'u', 'J', '2881', 'Q', 'a', '7087', '8163', 'v', '9499', '9537', '5929', '8015', '821', '3205', '6859', 'O', '2973', '1217', 'H', '9297', 'z']