Question: Which semi-professional rugby league club in west Cumbria that play in Kingstone Press League 1 for whom Mel Mason played at club level?

full_context: Document 1: Workington Town: Workington Town R.L.F.C. is a semi-professional rugby league club playing in Workington in west Cumbria. In the 2017 season they will play in League 1, having been relegated from the Kingstone Press Championship. Their stadium is called the Derwent Park, which they share with Workington Comets, a speedway team.
Document 2: 2017 League 1: The 2017 League 1, known as the Kingstone Press League 1 for sponsorship reasons, was a semi-professional rugby league football competition played in England, Wales and Canada, the third tier of the sport for RFL affiliated clubs.
Document 3: Cumbria League: Cumbria League is a competitive league at tier 8 in the English Rugby Union System run by the English Rugby Football Union. In the 2011/2012 season the league contains 10 teams competing for promotion to the North Lancashire/Cumbria league. It is currently the lowest competitive league for Rugby Union in Cumbria, with the Cumbria 2 North & West and Cumbria 2 South & East being run as Merit Leagues by Cumbria RFU but with potential promotion and division between these groups. As of 2011, The Cumbria League has 5 first XV teams (Hawcoat Park, Furness, Millom, Silloth, and Windermere) and 4 second XV teams (Carlisle Crusaders 2nd XV, Kendal (2nd XV), Kirkby Lonsdale 2nd XV and Penrith RFC A). Unlike the majority of other leagues, the Cumbria division includes a number of second/A teams.
Document 4: Feleti Mateo: Feleti Sosefo Mateo (born 2 June 1984) is a professional rugby league player who last played for the Salford Red Devils in the Super League. Mateo plays a variety of positions from lock, second-row and five-eighth. Mateo has represented for Tonga at international level as well as playing for NSW City Origin and the NRL All Stars. Mateo previously played for the Parramatta Eels in 2004 and between 2007 and 2010, the London Broncos in 2005, the New Zealand Warriors between 2011 and 2014, the Manly-Warringah Sea Eagles in 2015 and 2016 and the Salford Red Devils in 2016. Mateo is renowned for his versatility and extravagant style of play.
Document 5: Les Sheard: Leslie Sheard is an English school teacher, and rugby union and professional rugby league footballer who played in the 1970s, and 1980s, and coached in the 1980s, playing club level rugby union (RU) for Wakefield RFC, and playing representative level rugby league (RL) for England, and Yorkshire, and at club level for Castleford, Wakefield Trinity (Heritage № 777), York (captain), and Huddersfield, as a fullback , or centre , i.e. number 1, or, 2 or 5, and coaching club level rugby league (RL) for Huddersfield, as of 2009 he lives in Devon.<ref name="York Rugby League Club’s championship-winning team of 1980/1 to be re-united at a special dinner"> </ref>
Document 6: Derrick Mason: Derrick James Mason (born January 17, 1974) is a former American football wide receiver who played for fifteen seasons in the National Football League (NFL). He was drafted by the Tennessee Oilers in the fourth round of the 1997 NFL Draft after playing college football for the Michigan State Spartans. Following eight seasons with the Oilers and Titans, including two Pro Bowl selections (2000 and 2003), Mason signed with the Baltimore Ravens in 2005. He became the Ravens' all-time leading receiver with 5,777 yards from 2005 to 2010, but he was released before the 2011 season. He spent 2011 with the New York Jets and Houston Texans. Mason retired as a Baltimore Raven on June 11, 2012.
Document 7: North Wales Crusaders: North Wales Crusaders R.L.F.C. (Welsh: "Croesgadwyr Gogledd Cymru Rygbi'r Gynghrair" ) is a professional rugby league club based in Wrexham, Wales. They are the successors to the former Super League club Crusaders Rugby League. Crusaders compete in Kingstone Press League 1, the third tier of European rugby league (behind the Super League and Kingstone Press Championship). Until the end of 2016 they played their home games at the Racecourse Ground in Wrexham. From 2017 they are based at the Queensway Stadium (also in Wrexham) but will also play several games at Hare Lane in Chester.
Document 8: Whitehaven railway station: Whitehaven railway station serves the town of Whitehaven in Cumbria, England. The railway station is a stop on the scenic Cumbrian Coast Line 63 km south west of Carlisle.
Document 9: Steve Evans (rugby league): Steve Evans (1957/58 – 16 September 2017) was an English professional rugby league footballer who played in the 1970s, and 1980s, playing at representative level for Great Britain, England, and Yorkshire, and at club level for Featherstone Rovers, Hull, Bradford Northern and Wakefield Trinity (Heritage No 973), as a wing , or stand-off .
Document 10: Matthew Mason (Welsh cricketer): Matthew Barry Mason (born 24 November 1984 in Swansea) is a Welsh cricketer. Although he has made a number of appearances at second XI level for Glamorgan, as of the end of the 2006 season his only senior appearances had been three games in the C&G Trophy for Wales Minor Counties, in which he took a total of four wickets.
Document 11: Widnes Vikings: Widnes Vikings R.L.F.C. is an English professional rugby league club based in Widnes, Cheshire which currently plays in the Super League, the top tier of European rugby league. The club plays its home matches at the Select Security Stadium.
Document 12: Whitehaven R.L.F.C.: Whitehaven R.L.F.C. is a semi-professional rugby league club playing in Whitehaven in west Cumbria. They play in Kingstone Press League 1. Their stadium is called the Recreation Ground (known locally as the Recre).
Document 13: Lindsey Mason: Lindsey Michael Mason (born August 1, 1955) is a former professional American football offensive tackle in the National Football League. He played college football for the Kansas Jayhawks. He was selected by the Oakland Raiders in the 3rd round (82nd overall pick) of the 1978 NFL Draft. He played five seasons for the Oakland Raiders (1978, 1980–1981), the San Francisco 49ers (1982), and the Baltimore Colts (1983).
Document 14: Bryn Knowelden: R. Brindle "Bryn" Knowelden (27 June 1919 — 16 April 2010 (aged 90)) born in Barrow-in-Furness, Lancashire, was an English professional rugby league and association football (soccer) footballer who played in the 1940s, and 1950s, and coached in the 1950s, playing at representative level for Great Britain, and England, and at club level for Barrow, Warrington (captain), and Hull Kingston Rovers, as a wing , or stand-off/five-eighth , i.e. number 1 or 5, 2 or 5, or 6, and coaching at club level for Hull Kingston Rovers. He also played association football (soccer) for Morecambe, and Liverpool (Reserves), he died in Blackpool.
Document 15: Mel Mason: Mel Mason is an English professional rugby league footballer who played in the 1970s, and 1980s, playing at representative level for Cumbria, and at club level for Featherstone Rovers (Heritage № 500), Leeds, Barrow, and Whitehaven, as a stand-off/five-eighth , i.e. number 6.
ground_truth: Whitehaven R.L.F.C.