Durham v Downing, Cambridge

It's the penultimate match of the first round in the Christmas quiz for grown-ups and both teams are doing battle for a place in the semi-finals.They are the University of Durham, with weather presenter Sarah Keith-Lucas and comedian Ed Gamble, who are playing against Downing College, Cambridge, with the BBC's media editor, Amol Rajan, and their global trade correspondent, Dharshini David.Jeremy Paxman asks the questions.