Question: What footballer was rejected after a trial by former Northern Ireland football manager born 5 August 1931?
Sentence (from "2013–14 Northern Ireland Football League"): The 2013–14 Northern Ireland Football League was the first season of Northern Ireland's national football league running independently as the Northern Ireland Football League, consisting of the top three levels of the national league system, namely: the Premiership, Championship 1, and Championship 2.
Relevant evidence: No