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.
['4905', '2979', 'K', '7725', '2663', '7165', '8853', 'S', 'A', '6793', 'Q', '2249', 'B', 'B', 'p', '5425', 'E', 'l', '7275', 'g', 't', '7441', 'n', 'z', '1817', 'L', '5533', 'N', 's', '7737', 'J', '4205', 'Z', '7049']