Don’t lead with this.
> In this case, however, PSF determined with the advice of counsel that our only course of action was to provide the requested data.
If you’re going to say this.
I’m not judging their decision. Maybe not going to prison is a greater concern to them. It’s fine to just say that you thought it was best to comply because [lawyer reasons that you don’t have to disclose to anyone]/counsel.
EDIT: Or say “there are bad people out there and we trust the DOJ”. Whatever.