Question: Padgate is a suburb of an english town on the banks of the River Mersey whose population was estimated to be 208800 in 2016 but in which unitary authority area is it located?

full_context: Document 1: Warrington: Warrington is a large town and unitary authority area in Cheshire, England, on the banks of the River Mersey, 20 mi east of Liverpool, and 20 mi west of Manchester. The population in 2016 was estimated at 208,800, more than double that of 1968 when it became a New Town. Warrington is the largest town in the county of Cheshire.
Document 2: Stockton Heath: Stockton Heath is a civil parish and suburb of Warrington, Cheshire, England. It is located to the north of the Bridgewater Canal and to the south of the Manchester Ship Canal, which divides Stockton Heath from Latchford and north Warrington. It has a total resident population of 6,396.
Document 3: Padgate: Padgate is a suburb of the English town and unitary authority of Warrington, Cheshire. It belongs to the civil parish of Poulton-with-Fearnhead.
Document 4: Borough of Halton: Halton is a local government district in the ceremonial county of Cheshire in North West England, with borough status and administered by a unitary authority. It was created in 1974 as a district of the non-metropolitan county of Cheshire, and became a unitary authority area on 1 April 1998. Since 2014 it has been a member of the Liverpool City Region Combined Authority. The borough consists of the towns of Runcorn and Widnes and the civil parishes of Hale, Daresbury, Moore, Preston Brook, Halebank and Sandymoor. The district borders Merseyside, Warrington and Cheshire West and Chester. The borough straddles the River Mersey – the area to the north (including Widnes) is historically part of Lancashire, that to the south (including Runcorn) part of Cheshire.
Document 5: Cheshire: Cheshire ( or ; archaically the County Palatine of Chester) is a county in North West England, bordering Merseyside and Greater Manchester to the north, Derbyshire to the east, Staffordshire and Shropshire to the south and Wales to the west. Cheshire's county town is Chester; the largest town is Warrington.
Document 6: Widnes: Widnes is an industrial town in the unitary authority of Halton and the ceremonial county of Cheshire in Northwest England. In 2011 it had a population of 60,221. Historically in Lancashire, it is on the northern bank of the River Mersey where the estuary narrows to form the Runcorn Gap. Directly to the south across the Mersey is the town of Runcorn. Upstream and 8 mi to the east is the town of Warrington, and downstream to the west is Speke, part of the city of Liverpool.
Document 7: Warrington Town F.C.: Warrington Town Football Club is an English football club based in Warrington, Cheshire. They were established in 1949 under the name of Stockton Heath , adopting their current name in 1961.
Document 8: Elton, Cheshire: Elton is a village and civil parish in the unitary authority of Cheshire West and Chester and the ceremonial county of Cheshire, England. It is situated approximately 13 km to the northeast of Chester, between Helsby and Ellesmere Port, near to the River Mersey. Its proximity to the River Mersey and the Manchester Ship Canal have contributed to its industrial character. The village is on the north-western edge of the Cheshire plain, approximately 2.5 km from Stanlow Refinery, a Shell facility and the seventh largest oil refinery in Europe. The refinery produces one-sixth of the United Kingdom's petrol.
Document 9: Whittle Hall: Whittle Hall is housing estate within the parish of Great Sankey in the town of Warrington, North West England. Its more exact location is in-between the old centre of Great Sankey, the new built Chapleford, and the Omega Development Site (formerly RAF Burtonwood). The area falls under the WA5 postal code. The estate consisted originally of Whittle Hall Farm and its surrounding fields, however as part of the Warrington new town development, the last 20 years have seen the fields turned into modern houses. The estate also contains Whittle Hall Community Centre and the original farm building which are now due to be demolished for a proposed redevelopment. As the estate is part of the new town development, the people who reside there are originally from all over the UK.
Document 10: Fiddlers Ferry power station: Fiddlers Ferry Power Station is a coal fired power station located in Warrington, Cheshire, in North West England, which is capable of co-firing biomass. It is situated on the north bank of the River Mersey between the towns of Widnes and Warrington. Opened in 1971, the station has a generating capacity of 1,989 megawatts (MW). In a bid to combine efforts at the design and construction stages the Boiler and Turbo-generator plant were replicated at West Burton power station located between Retford and Gainsborough in North Nottinghamshire.
Document 11: Listed buildings in Warrington (unparished area): Warrington is a town, borough and unitary authority area of Cheshire, England. The unitary authority contains 18 civil parishes, which are distributed around its periphery. Its central area, including the town, is unparished. This list contains the 141 structures in the unparished area that are designated by English Heritage as listed buildings and included in the National Heritage List for England. Of these, three buildings are listed at Grade I, and ten at Grade II*. The remaining buildings are listed at Grade II. The listed buildings in the civil parishes are included in separate lists.
Document 12: Gawthorpe (ward): Gawthorpe is an electoral ward in the non-metropolitan district of Burnley in Lancashire, England. The population of the Burnley Ward at the 2011 census was 6,148. The ward covers the majority of the town of Padiham, meaning it is a largely urban area. It is part of the Padiham and Burnley West electoral division of Lancashire County Council, the Burnley UK Parliament constituency and the North West England European Parliament constituency.
Document 13: Wilderspool: Wilderspool is a district of Warrington, Cheshire, near the town centre. It consists of Wilderspool Causeway and the streets coming off it, the limits being the River Mersey into Stockton Heath (where it turns into London Road), Bridgefoot (near the town centre), and Centre Park. The district incorporates Priestley College, Wilderspool Stadium, Wilderspool depot (owned by Warrington Borough Transport), a Morrisons supermarket, and the Riverside Retail Park. Excavations in the area have shown Roman settlement, and there are parts of a walled town with evidence of industrial activity.
Document 14: Trafford: Trafford is a metropolitan borough of Greater Manchester, England. With an estimated population of about 233,300 in 2015, it covers 41 sqmi and includes the towns of Altrincham, Partington, Sale, Stretford and Urmston. The borough was formed on 1 April 1974 by the Local Government Act 1972 as a merger of the municipal boroughs of Altrincham, Sale, and Stretford, the urban districts of Bowdon, Hale and Urmston and part of Bucklow Rural District. All were previously in Cheshire, apart from Stretford and Urmston which were in Lancashire. The River Mersey flows through the borough, separating North Trafford from South Trafford. Historically the Mersey also acted as the boundary between the historic counties of Lancashire and Cheshire.
Document 15: Dallam, Warrington: Dallam is a suburb of Warrington, England. It is home to a Royal Mail rail terminus on the main West Coast Main Line railway, opposite a large Eddie Stobart distribution centre. Most housing is former council housing. It is situated at the terminus of the Warrington Borough Transport number 16 and 16A bus routes.
ground_truth: Cheshire