How old was footballer Dave Beasant when he was named as a substitute for Stevenage in 2015?

David John Beasant (born 20 March 1959) is an English former football goalkeeper. He began his career in the late 1970s. Beasant's former clubs include Edgware Town, Wimbledon, Newcastle United, Chelsea, Southampton, Nottingham Forest, Portsmouth, Tottenham Hotspur, Brighton & Hove Albion and Wigan Athletic.

He played in Wimbledon's 1988 FA Cup victory, during which he became the first goalkeeper to save a penalty in an FA Cup final and the first goalkeeper since 1875 to lift the cup as captain of the winning team. He made two appearances for the England national football team.

On 10 May 2015, Beasant became the oldest individual to be selected in the squad for a match in Football League history while representing Stevenage as a substitute against Southend in the League Two Play-Off semi-final second leg, at the age of 56.