Question: Laurie Adams was a footballer who played for the club that is in what highest English league system?

full_context: Document 1: Watford F.C.: Watford Football Club is a professional football club based in Watford, Hertfordshire, England, that plays in the Premier League, the highest level in the English football league system. Founded in 1881 as Watford Rovers, the club entered the FA Cup for the first time in 1886, and the Southern League a decade later. After finishing the 1914–15 season as Southern League champions under the management of Harry Kent, Watford joined the Football League in 1920. The club played at several grounds in its early history, before moving to a permanent location at Vicarage Road in 1922, where it remains to this day. Watford spent most of the following half century in the lower divisions of The Football League, changing colours and crest on multiple occasions.
Document 2: Watford F.C. Player of the Season: Watford Football Club are an English football club, from Watford, Hertfordshire. Founded in 1881 as Watford Rovers, the club has competed in the Football League since 1920, with the exceptions of 1999–2000, 2006–07, 2015–16 and 2016–17, when it competed in the Premier League. First introduced by the "Watford Observer" in the 1972–73 season, the Watford F.C. Player of the Season award is voted for annually by supporters of the club. It recognises the best overall performance by an individual player through the season. Each year the winner is presented with the "Watford Observer Trophy" at the club's end-of-season awards dinner.
Document 3: Skilly Williams: Reginald George "Skilly" Williams (4 January 1890 – 19 June 1959) was an English association football player. Born in Watford, he played primarily as a striker during his amateur career, but later switched to become a goalkeeper. After playing for Leavesden Mental Hospital's football team, as well as for Hertfordshire, Williams joined Watford as an amateur in 1910, turning professional in 1914. During his first season as a professional, Watford won the 1914–1915 Southern Football League title. League football was then interrupted for four seasons due to the First World War. Following its resumption in 1919, Williams again played a part as Watford finished runners up to Portsmouth on goal average. Watford entered the Football League the following season, and Williams stayed with the club for a further six seasons. He holds the record for the most Watford appearances by a goalkeeper;83 in the Southern League, 240 in the Football League, 17 in the FA Cup and one in the Southern Charity Cup. He stayed at Watford until 1926, before moving to Brighton & Hove Albion on a free transfer.
Document 4: Laurie Adams: Laurence Edward Adams (born 14 February 1931) is an English former footballer, who played for Watford as an inside left. Born in Barnet (then part of Hertfordshire), he made his sole Football League appearance while doing his National Service. Under the management of Haydn Green, Adams played a full match on 23 February 1952, as Watford defeated Walsall 2–0 in front of a crowd of 8,909 at Vicarage Road. He turned professional upon leaving the army, but did not play another senior game, and left the club at the end of the 1952–53 season. Although at that time professional players were not normally allowed to play amateur football again, Adams subsequently played for Whipton as a permit player in 1955.
Document 5: Don Adams (boxer): Don "The Bull" Adams was a bare-knuckle boxer, from Waltham Cross, Hertfordshire, England. In addition he was known as King of the Gypsies. At least one of his fights was detected by the authorities. Hertfordshire Constabulary reported a planned fight at Holborn Stud Farm on Sunday, 26 October 1975, between Don “The Bull” Adams and Roy “Pretty Boy” Shaw, promoted by Adams’ trainer Tom “The Bear” Brown. Donny Adams's second for the fight was an Ex RAF policeman named Huw Rees. This fight was banned, but must have taken place later, as Shaw was reported later to have beaten Adams. Shaw won the bout in the first round. Before that fight Adams had 48 bare knuckle fights and won them all.
Document 6: 1977–78 Watford F.C. season: Watford Football Club is an English football team, based in Watford, Hertfordshire. 1977–78 was the club's first season under the management of Graham Taylor, and its last in the fourth tier of English football. Watford ended the season as champions of the Football League Fourth Division with 71 points, the club's highest Football League total under the system of two points for a win, and three points short of the all-time Football League record set by Graham Taylor's Lincoln City side in 1975–76. The season also marked new club records for the most league wins in a season (30), most home wins (18), most away wins (12), and most away goals scored (42).
Document 7: 2010–11 Watford F.C. season: Watford Football Club (also known simply as Watford, or as The Hornets) is an English association football club from the town of Watford, in Hertfordshire. The 2010–11 English football season officially began on 1 July 2010, and ended on 30 June 2011, although Watford only played competitive fixtures between August and May. The team competed in the Football League Championship for the fourth consecutive season, following relegation from the Premier League in 2006–07. The club chairman was Graham Taylor, who as a manager took Watford from the Fourth Division to the top division of English football. Their manager was Malky Mackay, and their captain was central midfielder John Eustace.
Document 8: 1914–15 Watford F.C. season: Watford Football Club are an association football team from the county of Hertfordshire, England. The 1914–15 season was their nineteenth season of league football, since joining the Southern League as West Hertfordshire for the 1896–97 season. Watford finished the season as champions of the Southern League First Division, winning 22 and drawing 8 of their 38 league matches. In other competitions, Watford were eliminated from the FA Cup in the sixth qualifying round by Rochdale, and from the Southern Charity Cup by fellow Southern League team Luton Town. The club's manager was Harry Kent, and its top scorer George Edmonds, with 17 goals from 35 appearances. Other notable players included Skilly Williams, who began what would be a 13-year period as the club's first choice goalkeeper, and Fred Gregory, whose goal against Gillingham sealed the title for Watford. Gregory and Williams were also the only two men to play in all 40 of Watford's games.
Document 9: History of Luton Town F.C. (1885–1970): Luton Town Football Club is an English professional football club based in the town of Luton, Bedfordshire. Founded in 1885 as a merger of two leading local sides, Luton Town were the first professional team in the south of England, fully professional by 1891. Luton were also one of the first southern Football League clubs, joining in 1897 before leaving again in 1900 due to financial instability. The club rejoined the League for the 1920–21 season. George Thompson became the club's first manager four years later, but only lasted eight months before leaving, and wasn't replaced until 1927. 1936–37 saw Luton promoted to the Second Division, and the first post-war seasons saw a strong Luton team begin to emerge. Record goalscorer Gordon Turner's arrival into the first team in 1950 helped Luton to promotion to the First Division for the first time in 1954–55, and the team remained there until relegation in the 1959–60 season. Luton also reached the 1959 FA Cup Final, where Turner's absence and the team's questionable preparation for the game meant that Luton lost 2–1 to Nottingham Forest. The club was subsequently relegated three times in six seasons, reaching the Fourth Division by 1965–66. However, players such as Malcolm Macdonald ensured that the club was then promoted twice in three years and was back in the Second Division by 1970.
Document 10: Craig Adams (footballer): Craig John Adams (born 15 February 1974) is an English former professional footballer who played in the Football League for Northampton Town. Since retirement, Adams has moved into coaching and management at Wellingborough Town and Bedford Town. In May 2015, he was appointed assistant to Gary Mills at Rugby Town, a club which he played for when they were known as "VS Rugby", but Adams left after a poor start to the season to become caretaker manager at his former club Wellingborough Town. In May 2016, Adams left his position as Peterborough United Under 16's manager to become the assistant manager to Chris Nunn at Biggleswade Town.
Document 11: List of Watford F.C. players: Watford Football Club is an English association football club based in Watford, Hertfordshire. Formed as Watford Rovers in 1881, and renamed West Hertfordshire in 1893, the team joined the Southern League in 1896. West Hertfordshire merged with local rivals Watford St. Mary's for the start of the 1898–99 season, adopting the club's present name. Between 1898 and 1920, Watford competed in the Southern League, winning the championship in 1914–15. The Southern League was suspended for the next four seasons due to the First World War. On the league's resumption in 1919–20, Watford finished as runners up on goal average. At the start of 1920–21, Watford joined the Football League Third Division, and transferred to the Third Division South when the league was reorganised the following season. They have played in the Football League ever since, with the exception of 1939–1946, when competitive football was suspended due to the Second World War, and the 1999–2000 and 2006–07 seasons, when they competed in the Premier League. In addition to the latter two seasons, the club also competed in the top division of English football between 1982 and 1988, achieving their highest league placing of second in the 1982–83 season.
Document 12: List of Watford F.C. seasons: Watford Football Club is an English football club from Watford, Hertfordshire. Formed as Watford Rovers in 1881, the club entered the FA Cup for the first time in 1886. In the same year, they also entered the county-wide Herts Senior Cup, reaching the final six times over the next ten years. Watford Rovers became West Hertfordshire in 1893, and joined the Southern League for the 1896–97 season. The team started to change from one composed entirely of amateurs to one including paid professionals. In 1898, West Hertfordshire merged with Watford St Mary's to form Watford Football Club.
Document 13: 1919–20 Watford F.C. season: Watford Football Club is a association football team from the county of Hertfordshire, England. The 1919–20 season was their twentieth season of league football, and their first since 1914–15 due to the outbreak of the First World War. It was also their final season in the Southern League, having originally joined it as West Hertfordshire for the 1896–97 season, prior to a merging with another club and renaming in 1898. Having started the season as reigning champions, Watford finished the season as runners up of the Southern League First Division on goal average. They won 26 and drew 6 of their 42 league matches, compared to eventual champions Portsmouth's record of 23 wins and 12 draws. Watford's only other competitive fixture was in the FA Cup, where they were eliminated in the 6th Qualifying round by fellow Southern League side Southend United. The club's manager was Harry Kent, and its top scorer was George Edmonds, with 19 goals from 37 appearances.
Document 14: 2011–12 Watford F.C. season: Watford Football Club (also known simply as Watford, or as The Hornets) is an English football club from Watford, Hertfordshire. The team competed in the Football League Championship in 2011–12, their fifth consecutive season in the second tier of English football since their relegation from the Premier League in 2006–07. The 2011–12 season consisted of pre-season friendlies in July 2011, followed by competitive matches in the Football League, FA Cup and Football League Cup between August 2011 and April 2012. Assistant manager Sean Dyche became manager in July 2011, following the departure of Malky Mackay. The club's captain for the season was central midfielder John Eustace. Watford's chairman was Graham Taylor, who previously took Watford from the Fourth Division to the First Division as manager.
Document 15: 2009–10 Watford F.C. season: Watford Football Club are an association football club from Watford, Hertfordshire, England. Home matches were played at the club's stadium, Vicarage Road, which had a capacity of 17,504 for the 2009–10 season. Watford's season officially began on 1 July 2009 and concluded on 30 June 2010, although competitive matches were only played between August and May. They competed in the Football League Championship, the second highest division in English football, following their relegation from the Premier League in 2007.
ground_truth: Premier League