InfoPath Dev

I have a field named NTAG It is a lookup field from a list Called NTAG Lookup. This list has 3 columns: NTAG | TAOC | REGION Now I already have a data connection set up for that list as there is a dropdown for NTAG and a cascading dropdown for TAOC. I also have another lookup list called Region Lookup. It has 2 columns: NTAG | REGION What I would like to do is have a text field that auto-populates the REGION based on the selection of the NTAG. I have tried multiple things searching google and YouTube and nothing I have found works. I can't figure out what I'm doing wrong. I created the second lookup list in case it was an issue of having multiple entries of an NTAG in the first list. i.e.

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