Plymouth was granted the dignity of Lord Mayor by King George V in 1935. The position is elected each year by a group of six councillors. It is traditional that the position of <answer>the Lord Mayor</answer> alternates between the Conservative Party and the Labour Party annually and that <answer>the Lord Mayor</answer> chooses the Deputy Lord Mayor. Conservative councillor Dr John Mahony is the incumbent for 2015–16.
What officeholder selects the Deputy Lord Mayor?
the Lord Mayor