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.
Q: ['U', 'u', '405', '7', 'l', '4275', 'G', 'A', '8215', '6971', '7029', '4021', '2725', '8767', 'u', 'm', '3765', 'b', 'm', 'j', '875', 'e', '293', 'k', '2351', '3777', '135', '6659', '1499', '3515', '6089', 'H', '3851', 'h']
A:
20