Could be several who last the distance
Derby, Posh and yes Stevenage all have managers who have successfully got teams promoted out of this league
Experience could count for a lot
My own first away match with father was Blackpool and was ITV first live league match.
According to Wikipedia it was 10th September 1960
all I remember is that it was very foggy
Port Vale -iirc it was Armfields promotion year. PV had to win to get promotion as well. They were hanging on (2-1) in injury time. Ball boy chucks the ball away hence Byron’s intervention. Happily we equalised. Cue hail of bricks