Question: Who replaced the English football manager Paul Buckle after he lead the Bristol Rovers through a disappointing season in 2011-2012?
Sentence (from "List of Bristol Rovers F.C. players"): Bristol Rovers Football Club is an English professional association football club based in Bristol, who play in Football League One, the Third tier of the English football league system, as of the 2016–17 season.
Relevant evidence: No