F or Monty Panesar, it was answering that Germany played their home football matches in Athens. For David Lammy, it was saying Henry VIII’s heir was Henry VII. And for actor Amanda Henderson it was responding with the name Sharon to a question about Greta Thunberg.

Panesar’s disastrous appearance on Celebrity Mastermind six years ago was used to taunt him this week by Australia’s cricket captain Steve Smith.

Lammy’s 2009 wrong answers on the BBC show were recently dredged up by Robert Jenrick to question the intelligence of the justice secretary whom he now dubs Mastermind .

And Henderson’s 2020 gaffe about Thunberg caused such a storm on social media that the Swedish climate activist briefly changed her Twitter name to Sharon. At last, a great institution filled with truste

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