Here is the correct answer…
What piece of jewelry did the literary character Frodo Baggins wear to become invisible?
I do not remember the fourth selection to pick from but the others were Ring, Brooch and Crown.
The contestant thought it had to do with the Lord of the Rings but was not sure. He called a friend, a literature teacher, who gave him the correct choice (she said she was 99.9 percent sure ‘Ring’ was the correct answer).
It seems someone who is making up the questions for the show likes to refer to the books (this is the second question I am aware of that referenced Tolkien’s work).