Detailed Instructions: 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: ['W', '8017', '3681', '3627', 'w', '8139', '5187', 'S', '2687', '217', '9299', 'O', '6755', '8725', '6027', '6615', 'L', '5457', '1709', 'u', '7487', '4703', '6817', 'e', '7655', '9403', '5907', '2797']
A:
21