Question: Karl Kevin Marginson, is an English football manager and former player, who played in the Football League for Rotherham United, and since 2005, he has been the manager of F.C. United of Manchester, a semi-professional football club based in Moston, Manchester, in which UK country? 
Sentence (from "F.C. United of Manchester"): The club competes in the National League North , the sixth tier of the English football league system, and play their home matches at Broadhurst Park.
Relevant evidence: No