Question: Where is the council located in the district that contains the parishes Murton, Hilton, and Brackenber?

full_context: Document 1: Three Rivers District Council: Three Rivers District Council is the local authority for the Three Rivers non-metropolitan district of England, the United Kingdom. Three Rivers is located in the south-west of Hertfordshire, in the East of England region. The Council itself is based in Rickmansworth, the largest settlement in the district, but also comprises Abbots Langley, Chorleywood, Croxley Green, Maple Cross, Mill End, Sarratt and South Oxhey.
Document 2: Allerdale: Allerdale is a non-metropolitan district of Cumbria, England, with borough status. Its council is based in Workington and the borough has a population of 93,492 according to the 2001 census, increasing to 96,422 at the 2011 Census.
Document 3: Listed buildings in Stanwix Rural: Stanwix Rural is a civil parish in the Carlisle district of Cumbria, England. It contains 62 listed buildings that are recorded in the National Heritage List for England. Of these, three are listed at Grade II*, the middle of the three grades, and the others are at Grade II, the lowest grade. The parish is to the northeast of the city of Carlisle, and contains the villages of Houghton, Low Crosby, High Crosby, Brunstock, Linstock, Tarraby, and Rickerby, and the surrounding countryside. The oldest two listed buildings originated as tower houses, and have since been extended and altered. Most of the listed buildings are country houses and smaller houses, some with associated structures, farmhouses and farm buildings. The other listed buildings include churches, milestones, a public house, schools, and an isolated tower.
Document 4: Eden, New South Wales: Eden is a coastal town in the South Coast region of New South Wales, Australia. The town is 478 km south of the state capital Sydney and is the most southerly town in New South Wales, located between Nullica Bay to the south and Calle Calle Bay, the northern reach of Twofold Bay, and built on undulating land adjacent to the third-deepest natural harbour in the southern hemisphere, and Snug Cove on its western boundary. At the 2016 census , Eden had a population of 3,151.
Document 5: Listed buildings in Dufton: Dufton is a civil parish in the Eden District, Cumbria, England. It contains eleven listed buildings that are recorded in the National Heritage List for England. All the listed buildings are designated at Grade II, the lowest of the three grades, which is applied to "buildings of national importance and special interest". The parish contains the village of Dufton and the surrounding countryside. Most of the listed buildings are houses and associated structures, farmhouses and farm buildings in the village centre. Also in the village is a listed pump. Away from the centre of the village, and listed, are a church, its rectory and structures in the rectory garden.
Document 6: Borough of Copeland: The Borough of Copeland is a local government district and borough in western Cumbria, England. Its council is based in Whitehaven. It was formed on 1 April 1974 by the merger of the Borough of Whitehaven, Ennerdale Rural District and Millom Rural District. The population of the Non-Metropolitan district at the 2011 Census was 70,603.
Document 7: Listed buildings in Arthuret: Arthuret is a civil parish in the Carlisle district of Cumbria, England. It contains 25 listed buildings that are recorded in the National Heritage List for England. Of these, five are listed at Grade II*, the middle of the three grades, and the others are at Grade II, the lowest grade. The parish includes the small town of Longtown and is otherwise mainly rural. Two buildings originated as fortified towers, Netherby Hall, which has been expanded converted into a country house, and Brackenhill Tower, which is part of a farm. These, and structures associated with them, are listed. Some of the listed buildings are in Longtown, including houses, hotels, a bridge, and a church. Outside these areas the listed buildings include another church with associated structures, including a holy well, and milestones.
Document 8: Murton, Cumbria: Murton is a small village and civil parish in the Eden District of Cumbria, England. It has a population of 330, increasing to 360 at the 2011 Census. Settlements within the parish include the villages of Hilton, Langton, and Brackenber. The town of Appleby-in-Westmorland is to the south-west.
Document 9: Ribble Valley: Ribble Valley is a local government district with borough status within the non-metropolitan county of Lancashire, England. The total population of the non-metropolitan district at the 2011 Census was 57,132. Its council is based in Clitheroe. Other places include Whalley, Longridge and Ribchester. The area is so called due to the River Ribble which flows in its final stages towards its estuary near Preston. The area is popular with tourists who enjoy the area's natural unspoilt beauty, much of which lies within the Forest of Bowland.
Document 10: Listed buildings in Irton with Santon: Irton with Santon is a civil parish in the Borough of Copeland, Cumbria, England. It contains 17 listed buildings that are recorded in the National Heritage List for England. Of these, two are listed at Grade II*, the middle of the three grades, and the others are at Grade II, the lowest grade. The parish is in the Lake District National Park. It contains the villages of Irton and Santon Bridge, and is otherwise rural. In the parish is the country house of Irton Hall, which incorporates a medieval tower house, and also has a clock tower; all of these are listed. The other listed buildings include houses, farmhouses, farm buildings, a church with a memorial in its churchyard, two bridges, a summer house, and an inn.
Document 11: Eden District: Eden is a local government district in Cumbria, England. Its council is based in Penrith. It is named after the River Eden which flows north through the district toward Carlisle.
Document 12: Brackenber: Brackenber is a hamlet in the civil parish of Murton in Cumbria, England. It is near the town of Appleby-in-Westmorland and the village of Hilton, Cumbria.
Document 13: Listed buildings in Millom Without: Millom Without is a civil parish in the Borough of Copeland, Cumbria, England. It contains ten listed buildings that are recorded in the National Heritage List for England. Of these, one is listed at Grade II*, the middle of the three grades, and the others are at Grade II, the lowest grade. The parish is to the north of the town of Millom in the valley of the River Duddon. It is now almost completely rural, but in the past has been the site of industry, including iron smelting fired by charcoal. There are remains of this industry in form of the ruins of a blast furnace and barns for storing charcoal, both of which are listed. The parish also contains a disused cornmill and sawmill. The other listed buildings are houses and associated structures, two bridges, a former limekiln, and a church.
Document 14: Eden, New York: Eden is a town located south of Buffalo, in Erie County, New York, United States. The population was 7,688 at the 2010 census. The basis for choosing the town's name is unknown.
Document 15: Listed buildings in Murton, Cumbria: Murton is a civil parish in the Eden District, Cumbria, England. It contains eleven listed buildings that are recorded in the National Heritage List for England. Of these, two are listed at Grade II*, the middle of the three grades, and the others are at Grade II, the lowest grade. The parish contains the villages of Murton and Hilton and the hamlet of Brackenber, and is otherwise rural. Most of the listed buildings are houses and associated structures, farmhouses and farm buildings, the other buildings consisting of two village pumps, a bridge, and a disused railway viaduct.
ground_truth: Penrith