Question: What river separates the bourough where Edgar Wood designed his home?

full_context: Document 1: Eddie's House: Eddie's House was a doghouse designed by Frank Lloyd Wright for the Berger family of San Anselmo, California, to be used by their dog Eddie. Wright designed Eddie's House to be in keeping with the family's home, known as the Robert Berger House, which he had previously designed. The plans for the doghouse were completed by Wright in 1957, and the four square foot triangular house was built in 1963. In 1973 Eddie's House was removed and thrown away, but in 2010 Jim and Eric Berger, sons of Robert Berger, rebuilt Eddie's House from the original plans for a segment in "Romanza", a documentary film by Michael Miner about Frank Lloyd Wright's architectural works in California. The doghouse remains the smallest structure Frank Lloyd Wright ever designed.
Document 2: Trafford Town Hall: Trafford Town Hall stands on a large site at the junction of Talbot Road and Warwick Road in Stretford, England, directly opposite the Old Trafford Cricket Ground. It was designed by architects Bradshaw Gass & Hope of Bolton on behalf of Stretford Municipal Borough, and built by the main contractor Edwin Marshall & Sons. Work began on 21 August 1931, funded by a government grant of £88,000; the building was officially opened as Stretford Town Hall on the granting of Stretford's charter on 16 September 1933.
Document 3: Tameside: The Metropolitan Borough of Tameside is a metropolitan borough of Greater Manchester in North West England. It is named after the River Tame, which flows through the borough and spans the towns of Ashton-under-Lyne, Audenshaw, Denton, Droylsden, Dukinfield, Hyde, Mossley, Longdendale and Stalybridge. Its western border is approximately 4 mi east of Manchester city centre. It borders High Peak in Derbyshire to the east, the Metropolitan Borough of Oldham to the north, the Metropolitan Borough of Stockport to the south, and the City of Manchester to the west. s of 2011 the overall population was 219,324.
Document 4: Transport in Manchester: The transport infrastructure of Greater Manchester is built up of numerous transport modes and forms an integral part of the structure of Greater Manchester and North West England – the most populated region outside of South East England which had approximately 301 million annual passenger journeys using either buses, planes, trains or trams in 2014. Its position as a national city of commerce, education and cultural importance means the city has one of the largest and most thorough transport infrastructures which is heavily relied upon by its 2.7 million inhabitants in the Greater Manchester conurbation and further afield in the North West region. Public transport comes under the jurisdiction of Transport for Greater Manchester.
Document 5: Royd House: Royd House is a Grade I listed building in Hale, Greater Manchester. It was designed by architect Edgar Wood as his own home and was built between 1914 and 1916. The building is regarded as one of the most advanced examples of early twentieth century domestic architecture. It is one of six Grade I listed buildings in Trafford.
Document 6: 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 7: Halecroft: Halecroft is a Grade II* listed building in Hale, Greater Manchester (grid reference [ SJ78728636] ). The building was designed by architect Edgar Wood and was built in 1890; it is an example of Wood's work influenced by the Arts and Crafts Movement. It is one of 11 Grade II* listed buildings in Trafford. Halecroft is two storeys high with a one storey 20th century extension.
Document 8: Farnsworth House: The Farnsworth House was designed and constructed by Ludwig Mies van der Rohe between 1945 and 1951. It is a one-room weekend retreat in a once-rural setting, located 55 miles (89 km) southwest of Chicago's downtown on a 60-acre (24 ha) estate site, adjoining the Fox River, south of the city of Plano, Illinois. The steel and glass house was commissioned by Dr. Edith Farnsworth, a prominent Chicago nephrologist, as a place where she could engage in her hobbies — playing the violin, translating poetry, and enjoying nature. Mies created a 1,500-square-foot (140 m) house that is widely recognized as an iconic masterpiece of International Style of architecture. The home was designated a National Historic Landmark in 2006, after joining the National Register of Historic Places in 2004. The house is currently owned and operated as a historic house museum by the historic preservation group, National Trust for Historic Preservation.
Document 9: 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 10: Old Trafford: Old Trafford is a football stadium in Old Trafford, Greater Manchester, England, and the home of Manchester United. With a capacity of 75,643, it is the largest club football stadium in the United Kingdom, the second-largest football stadium, and the eleventh-largest in Europe. It is about 0.5 mi from Old Trafford Cricket Ground and the adjacent tram stop.
Document 11: Gorse Hill: Gorse Hill is an area in Stretford, within the Trafford borough of Greater Manchester, England. The population of the ward taken at the 2011 census was 11,894.It is a residential area with two minor industrial estates on either side of the main A56 Chester Road, which divides the two halves of the ward. Gorse Hill Park is a park which has recently had its historic main gates renovated and sits in between the two halves of the ward also, bridging Chester Road and Talbot Road. Gorse Hill is also the northernmost ward of Trafford council and is home to Trafford Town Hall, housing the council offices. Gorse Hill shares a border with Old Trafford ward, home to both Manchester United F.C. and Lancashire County Cricket Club.
Document 12: Robert and Esther Armstrong House: The Robert and Esther Armstrong House, also known as Pleasant Hill, is a historic building located in Cedar Rapids, Iowa, United States. This is the last of two documented houses that regionalist artist Grant Wood designed in its entirety in the city. There are 14 documented houses that he designed, at least in part, between 1925 and 1933. He took on the work to help support himself and his mother. Like his artwork, his house designs evolved from more classical styles to the more simpler lines of vernacular forms. In addition, he used local materials to construct the house, including the exterior limestone quarried at Stone City for this house. In addition, Esther Armstrong, local builder Bruce McKay and Wood scoured the countryside looking for design ideas. They settled on two Pennsylvania-style fieldstone structures, from which Wood designed this home. He also served as interior decorator as well. The house was listed on the National Register of Historic Places in 1989.
Document 13: Robert and Rae Levin House: In 1949, Robert and Rae Levin worked with Frank Lloyd Wright to build a house in Kalamazoo, Michigan. It was the first house to be built in Parkwyn Village, a planned community of Usonian houses. Usonia is a word used by Frank Lloyd Wright and refers to the residents of the United States Of North America.
Document 14: McLean's Mansion: McLean's Mansion (originally Holly Lea) is a homestead in Christchurch, New Zealand. The two hectares property is situated between Manchester and Colombo Streets. The mansion was initially known as 'Holly Lea', but later became known as McLean's Mansion after its initial owner. It was the largest wooden residence in New Zealand. The mansion, designed by Robert England, architect of Christchurch, is a fusion of styles of Jacobean architecture and Victorian features, akin to the Mentmore Towers (1852–54) of Sir Joseph Paxton in Buckinghamshire in England. It was built between April 1899 and September 1900. The house is registered as a Category I heritage building by Heritage New Zealand. After the 2011 Christchurch earthquake, the owners applied to demolish the earthquake-damaged buildings, but their request was denied by the heritage body and the courts. In December 2016, the building sold to a trust that will restore it for use as a gallery.
Document 15: Trafford Park: Trafford Park is an area of the Metropolitan Borough of Trafford, Greater Manchester, England, opposite Salford Quays on the southern side of the Manchester Ship Canal, 3.4 mi west-southwest of Manchester city centre and 1.3 mi north of Stretford. Until the late 19th century, it was the ancestral home of the Trafford family, who sold it to financier Ernest Terah Hooley in 1896. Occupying an area of 4.7 mi2 , it was the first planned industrial estate in the world, and remains the largest in Europe.
ground_truth: The River Mersey