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.

['z', 'n', '2807', '6309', 'I', '2663']
3

['S', '2837', '1955', '1953', 'b', '2205', 'O', 'h', '607', '5505', 'N', '4559', 'i', 'r', '9979', '6421', '5939', 'I', '1749', 'X', 'K', '3193', '8159', 'z', '1463', 'y', 'Y', 'D']
14

['9181', 'r', 'c', '9163', '6875', '1901', '7477', 's', 'F', '1209', 'd', 'D', 'c']

6