Thanks  @stefan-it !  I knew SQuAD 2.0 had unaswerable questions but I was not sure if there was more research conducted beyond that.  (I’ll re-read the squad paper)
Thank you for the example links, I tested few more questions and it is hit or miss. For example, when I ask “Where does Sinatra live”, the answer is “Berlin” which is incorrect.
https://huggingface.co/deepset/bert-base-cased-squad2?text=Where+does+Sinatra+live%3F&context=My+name+is+Wolfgang+and+I+live+in+Berlin 3