What should David Davis ask Brown?

Ben Brogan reports that David Davis has put off resigning as an MP. The word in Westminster is that he is waiting until Wednesday as he intends to go out with a question to Gordon Brown at PMQs. (Considering that the Speaker refused to let Davis announce that he was standing down as an MP in the chamber, he really should—in the interests of fair play—call on Davis on Wednesday.)

This is probably Davis’s last moment when he will be in full command of the news agenda and a killer question would keep the issue in the headlines for the next few days. Leave your suggested questions in the comments, if someone guesses right what Davis will ask we’ll happily send them a bottle of Coffee House champagne.