It was the question on every woman's mind as George Clooney entertained the forum audience.
No, it wasn't about his glittering Hollywood career.
And no, it didn't concern his efforts to promote peace and human rights in Africa.
The burning issue was much more important than all that - 'What is your hotel room number?'
Very cheeky but worth a try. After all it's not every day that a girl finds herself in the same room as the debonair, Oscar-winning bachelor.
It was all part of an entertaining question and answer session at the 18th CLSA Investors' Forum lunch at the Grand Hyatt in Wan Chai.
But journalists were left asking O Brother, Where Art Thou? as organisers enforced a ban on the media at the event. The heartthrob turned social activist made a Coen brothers' film of this name back in 2000.