SuperSet creating Filter for Array Colums

I have following query running in Superet

select items from item_table; 

Result

[{item={departmentNumber=2, description=Guitar, itemNumber=563082}}] Array

I have done some calculations and created a dashboard based on above query.

Problem : I want to have a filter for itemNumber but in superset Filter Box it showing Filters as item i.e the array how i can create a filter using itemNumber