Insight IQL: assign custom field with one of few same type attributes

Alex Programmer

I want to assign a custom field with an attribute "Default Team" of object IUser. IUser has an attribute JiraUser, which is a current Reporter. And IUser has three attributes of type ITeam. Therefore, if I filter on an object type and on reporter, I get three ITeams to assign. But I need only "Default Team". The configurations on pictures:

How I can narrow the IQL selection to an attribute "Default Team"?
Thanks in advance.

Alex Programmer

Part solution: with such configuration only one ITeam: the "Default Team" is shown in selection list. But in screen "Edit Issue" the selection list is empty, and on Issue View only the Reporter is shown, but no Default Team.