I found the questions themselves quite interesting. One was 'How many numbered Child Ballads are there' and I would think that would be a gift for anyone claiming Child Ballads as a specialist subject, akin to asking someone answering questions on "The Life and Times of Jane Austin" how many books she published. Are there always a few such easy questions (for the specialist) so no-one is likely to suffer the embarrassment of of zero score?

The question about where the king asking directions to in ballad XYZ variant g was the opposite extreme ...