Question: The New River is a drainage system in what local government district that is based in Spalding?

Context paragraphs:
Kitagawa Dam: Kitagawa Dam (Japanese: 北川ダム ) is a dam in the Saiki, Ōita, Japan, completed in 1962.  It spans the Kita River, a class A river, in the Gokase River drainage system.  It is managed by Ōita Prefecture, and it is an 82.0 meter tall concrete arch dam.  It is the largest dam in the Gokase River drainage system, and it was built with government subsidies with the goal of flood control and hydroelectric power generation for the Kita River basin.  The man-made lake formed by the dam is the largest such reservoir of any dam administered by the prefecture, but it is simply called the Kitagawa Dam Lake and has no nickname.  Despite that in 2005 it was selected by the Dam Waters Environment Development Center Foundation as one of the top one hundred reservoirs.

Lei River: The Lei River () is a right-bank tributary of the middle Xiang River in Hunan, China.  It is also the longest tributary and has the second largest drainage system of the Xiang tributaries after the Xiao River.  The Lei River has two sources: the "Zhejiang River" (), which rises in the "Leishan Moutains" () in the south of Rucheng County, and the "Ou River" (), which rises in the Wanyang Mountains () in the north of Guidong County.  The two rivers join at Huangcaoping (), Zixing City.  The main stream of the Lei River runs generally south to northwest through Rucheng, Zixing, Suxian, Yongxing, Leiyang, Hengnan and Zhuhui counties and joins the Xiang at Leihekou () of Zhuhui District of Hengyang.  The main stream of the Lei River has a length of 453 km , with its tributaries, and the drainage basin covers an area of 11,783 km2 .

Fred Hobbs: Frederick (Fred) Hobbs JP (17 December 1841 – 13 May 1920) was Mayor of Christchurch, New Zealand 1874–1877 for two terms; he was the first mayor who served more than one term.  He is credited with having made significant improvements to the drainage system, and thus improving health in the wider Christchurch area.  Upon his lobbying, The Christchurch District Drainage Act 1875 was passed, and Hobbs became the first chairman of the Christchurch Drainage Board.  The family were tailors and the location of their business premises in the north-east quadrant of Cathedral Square gave the area the name of Hobbs' corner.  Fred Hobbs commissioned a new building of permanent materials for the site, which became known as Cathedral Chambers and which stood there from the mid-1880s to the 1970s.  The locality changed name to Broadway corner, based on the popular café that occupied the first floor; this name is no longer in use in Christchurch.

South Holland, Lincolnshire: South Holland is a local government district of Lincolnshire.  The district council is based in Spalding.

Witham Navigable Drains: The Witham Navigable Drains are located in Lincolnshire, England, and are part of a much larger drainage system managed by the Witham Fourth District Internal Drainage Board.  The Witham Fourth District comprises the East Fen and West Fen, to the north of Boston, which together cover an area of 97 sqmi .  In total there are over 438 mi of drainage ditches, of which under 60 mi are navigable.  Navigation is normally only possible in the summer months, as the drains are maintained at a lower level in winter, and are subject to sudden changes in level as a result of their primary drainage function, which can leave boats stranded.  Access to the drains is from the River Witham at Anton's Gowt Lock.

Cambarus chasmodactylus: Cambarus chasmodactylus, commonly called the New River Crayfish, is a species of crayfish endemic to the New River drainage system

New River (Fens): The New River is a drainage system in the South Holland district of Lincolnshire, England.  [ Rising just east of Sisson's Farm] near Crowland it flows very roughly eastwards, following the general line of the River Welland but a little to the south.  It skirts the settlements of Crowland and Cowbit before flowing into the Welland at [ Cradge Bank] near Little London.

Lord Lieutenant of Caithness: The Lord Lieutenant of Caithness is the British monarch's personal representative in an area defined since 1975 as consisting of the local government district of Caithness, in Scotland.  This definition was renewed by the Lord-Lieutenants (Scotland) Order 1996.  Previously, the area of the lieutenancy was the county of Caithness, which was abolished as a local government area by the Local Government (Scotland) Act 1973.  The district was created under the 1973 act as a district of the two-tier Highland region and abolished as a local government area under the Local Government (Scotland) Act 1994, which turned the Highland region into a unitary council area.

Lord Lieutenant of Nairn: The Lord Lieutenant of Nairn, is the British monarch's personal representative in an area which has been defined since 1975 as consisting of the local government district of Nairn, in Scotland, and this definition was renewed by the Lord-Lieutenants (Scotland) Order 1996.  Previously, the area of the lieutenancy was the county of Nairn, which was abolished as a local government area by the Local Government (Scotland) Act 1973.  The district was created, under the 1973 act, with the boundaries of the former county, as a district of the two-tier Highland region and abolished as a local government area under the Local Government (Scotland) Act 1994, which turned the Highland region into a unitary council area.

Lord Lieutenant of Sutherland: The Lord Lieutenant of Sutherland is the British monarch's personal representative in an area which has been defined since 1975 as consisting of the local government district of Sutherland in Scotland, and this definition was renewed by the Lord-Lieutenants (Scotland) Order 1996.  Previously, the area of the lieutenancy was the county of Sutherland, which was abolished as a local government area by the Local Government (Scotland) Act 1973.  The district was created, under the 1973 act as a district of the two-tier Highland region and abolished as a local government area under the Local Government (Scotland) Act 1994, which turned the Highland region into a unitary council area.

Supporting paragraphs: New River (Fens) South Holland, Lincolnshire
Answer: South Holland