Would you be a Harry Potter Mastermind?

Mastermind producers say they've turned down 262 applications for Harry Potter as a specialist subject as only one person can do it per series.

In 2017 that person was Madeline Grant, a website manager from London.

She managed to get 15 out of 15 - but how well would you do if you were sat in front of Mastermind host John Humphrys?

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