Question: Who is the assistant manager to the full back with 307 appearances in the Football League within 13 years? 
Context: Keith Bowker (born 18 April 1951 in West Bromwich is an English former professional footballer who played as a striker.  He scoed 81 goals from 307 appearances in the Football League. Patrick Darren Atkinson (born 22 May 1970 in Singapore) is an English former professional footballer.  As a schoolboy he went to several clubs, Newcastle Utd, Sunderland, Notts County, and West Bromwich Albion where he shared digs with Alan Shearer.  Paddy signed apprentice forms with Sheffield Utd in 1986 with Ian Portifield as manager.  After 3 managers in 2 years (Ian Portifield, Billy McEwan, and Dave Bassett) Paddy went on loan to Hartlepool Utd and signed as a professional at 18 with John Bird as manager.  He scored 2 goals on his debut Vs Lincoln City at the Victoria Ground in 1986.  After 3 seasons making 30+ appearances and playing for a further 2 managers, Bob Moncur and Cyril Kowles, Paddy moved to Gateshead in the Conference.  He scored Gateshead's 1st goal in the Conference league.  Paddy moved to Barrow making 40+ appearances with Ray Wilkie as manager.  Paddy moved to Workington for 2 seasons before a successful trial seen him move to Newcastle Utd.  Paddy played in Newcastle Reserves Team scoring 12 goals in 3 seasons when Kevin Keegan was manager of the club.  It was Kevin who recommended Paddy to the Singapore National Team and to York City in the 1st Division.  Paddy Signed for York City making over 60 appearances in 3 seasons.  Paddy moved on to Scarbrough in the 2nd Division and Mick Wadsworth was manager before moving and playing for Blyth Spartans while recovering from an operation.  He moved north of the border playing for Queen of the South for 4 seasons in the Scottish 1st & 2nd Division.  John Connelly was the manager and Paddy won a Second Division Championship and a Bells Scottish Cup.  At 34 Paddy decided to take up his 1st coaching role and took Queen of the South's Reserve Team.  In his first season, he won the Reserve League and Cup.  Paddy later moved back home to the North East (Newcastle upon Tyne) and took on the Assistant Manager and 1st Team Coach's role at Newcastle Benfield in the Northern League.  With Paul Baker as manager he won the League Cup.  Paddy later took on the managers role with Tom wade and won the League, League Cup and Cleator Cup (4 trophies in 4 seasons).  He then took on the 1st Team Coaches role at Bedlington Terriers before leaving in the summer of 2012 to take up a post at Blyth Spartans where he was assistant to Tommy Cassidy at the Northern Premier League side, before later a being appointed manager, a post he resigned from in 2013.  On 9 January 2015 Paddy was appointed manager of Whitley Bay. The Bromley and District Football League was a football competition based in England.  It was founded in 1896 and currently has a total of 2 divisions with 22 teams.  At the present time the league is not part of the English football league system as it is not a feeder league within the football pyramid.  However, clubs may sometimes transfer from the league into the football pyramid by becoming semi-professional and applying to join the Kent County Football League. Graham Stephen Potter (born 20 May 1975) is an English former footballer who is head coach of Swedish Allsvenskan club Östersunds FK.  In a 13-year playing career, he made 307 appearances in the Football League, mainly as a full back, and also played in the Premier League for Southampton.  At international level, he was capped once for England at under-21 level.  He took over at Östersund ahead of the 2011 season. Henry Ross (4 April 1881 – 1953) was a Scottish professional footballer who played as a full back.  Harry Ross, who had been born in Brechin in 1881, had moved from Junior football in Brechin to play for Burnley but his major triumphs were with Fulham, then a Southern League club, which he joined in 1904.  He played ninety eight games, mainly at right back, for Fulham between 1904 and 1909 and scored a total of nine goals.  Fulham had appointed Harry Bradshaw as manager in 1904 and “Bradshaw's teams were built around a wonderful defence in which the consistent and highly regarded Fryer was supported by two Harrys at full back, Ross and Thorpe."  He was described in 1905 as “one of those players who can play equally well at right or left back.  Physically he is the man for the place.  Twenty four years of age, he weighs over thirteen stone and stands a trifle more than five feet ten.  He is a vigorous tackler and a powerful kick, and possesses all the attributes of mind and temper that go to make a first class player.” .  Fulham had entered the Football League in 1907.  Ross had played for the Anglo-Scots in an international trial in 1905-06 and had captained Fulham in 1907-08.  In that season he had been carried shoulder high from the field, the hero of the hour, after Fulham had defeated Manchester United in a cup tie.  From Fulham he moved to St Mirren and thence signed for Brechin, playing his first game on 29 October 1910 against Aberdeen A. Ross played seven games for Brechin City in season 1910-11. Darren James Patterson (born 15 October 1969) is a Northern Irish former footballer and manager.  He was most recently the caretaker manager of Rotherham United following Andy Scott's dismissal as manager on 19 March 2012.  As a player, he was primarily a central defender who could also play at full back or as a defensive midfielder.  He is the interim assistant manager at Bristol Rovers, where he has previously held the positions of Head of Youth, Assistant Manager and Caretaker Manager.  On 10 June 2011, he became Rotherham United's assistant manager. Chris Murphy (born 1985 in Blackrock, County Cork) is an Irish sportsperson.  He plays hurling with his local club Blackrock and has been a member of the Cork senior inter-county team since 2009 where he was called up due to the 2008 panels strike.  Murphy was also a Cork Senior Football panelist in 2006 and 2007 before deciding to concentrate on Hurling.  In 2005 Murphy won a Junior All Ireland Football medal with Cork.  The followong year Murphy represented Cork in both U21 Football and Hurling, winning a Munster U21 medal from full back in Football while also playing full back with the U21 hurlers which were beaten in the Munster final by Tipperary.  Murphy was awarded the Man of the Match award for his display at Full Back in the 2009 National League encounter against Tipperary In Thurles, which was a notable achievement as his direct opponents on the night where John O Brien and Patrick "Bonner" Maher. Arthur Hudgell (born 28 December 1920 — died 2000 aged 79 or 80) was an English former footballer who played for Sunderland and Crystal Palace as a full back.  Hudgell played for non-league side Eton Manor before signing for Crystal Palace in 1937.  However, he did not make his senior debut until the club were competing in wartime football and his league debut was not until the 1946–47 season.  He made 25 league appearances for Crystal Palace scoring a single goal.  Sunderland brought Hudgell into the club in January 1947, for £10,000, then a record fee for a full back, and he made his debut on 1 February 1947 against Blackburn Rovers in a 2–1 win at Ewood Park.  He retired from football in May 1956, after playing 260 league games for Sunderland, scoring no goals. Billy Reid (born 18 July 1963) is a Scottish football player and coach, who is the assistant manager to Graham Potter at Östersunds.  Reid played for Queen of the South, Clyde, Hamilton Academical and Stirling Albion during the 1980s and 1990s.  After a spell as caretaker manager of Clyde in 2002, he was appointed manager in 2004.  After one season as Clyde manager, Reid was appointed manager of Hamilton.  The club won promotion to the Scottish Premier League in 2008, when Reid also won the PFA Scotland Manager of the Year award.  Despite being relegated in 2011, Reid continued as Hamilton manager until April 2013.  In November 2013, he moved to Swedish club Östersunds as an assistant coach. Percy Saul (born 1881) was a Scottish footballer who played as a defender for Liverpool in The Football League.  Saul played as a full back and made 94 appearances for Plymouth Argyle F.C. before he signed for Liverpool in 1906.  Saul played the majority of the matches during his debut season in 1906–07, due to an injury to regular full back Alf West.  He made further appearances during his remaining two seasons at the club, but was never a regular starter.
Answer: Billy Reid