Question: What county shares a border with the community of Dean, in the province where Chignecto Bay can be found?

full_context: Document 1: Great Village: Great Village is a rural community of approximately 500 people located along Trunk 2 and the north shore of Cobequid Bay in Colchester County, Nova Scotia. It is considered locally to incorporate the areas of Highland Village to the west and Scrabble Hill to the north northwest.
Document 2: Cape Split: Cape Split is a headland located on the Bay of Fundy coast of the Canadian province of Nova Scotia. The Battle off Cape Split happened during the American Revolution.
Document 3: Shallow Bay (Newfoundland and Labrador): Shallow Bay is a natural bay near Pistolet Bay, Great Northern Peninsula, off the island of Newfoundland in the province of Newfoundland and Labrador, Canada.
Document 4: Woodville, Nova Scotia: Woodville is a community in Kings County of about 200 people located in the Annapolis Valley of Nova Scotia. The community is situated north of Cambridge and Waterville at the foot of the North Mountain. Centred along Route 221, Woodville has a volunteer fire department, a Baptist church, two auto body shops, a home run automotive mechanic business, and many family-run farms. It is administratively part of the village of Cornwallis Square. A community centre is located in the former school, built in 1942. The former Wesley Knox United Church, built in 1921, was sold in 2006 is now a residence and artist's workshop.
Document 5: Rural Municipality of Cornwallis: Cornwallis is a rural municipality located in the Canadian province of Manitoba. It surrounds the east, south and west sides of Brandon, Manitoba. Most of the land comprising the municipality is farmland, but it contains a few settlements. One of the larger settlements, Sprucewoods, sits at the north gate of Canadian Forces Base Shilo and contains a large group of the municipal population. In the past, there has been friction between the community and the farming base that make up much of Cornwallis.
Document 6: Upper Lakeville: Upper Lakeville is a small cottage community on the Eastern Shore of the Halifax Regional Municipality, in the Musquodoboit/Sheet Harbour region of the Marine Drive, in Nova Scotia. Upper Lakeville road is located on the junction of Trunk 7, 55.3 km from Dartmouth, and 58.9 km from Halifax.
Document 7: Dean, Nova Scotia: Dean is a small farming & forestry community in the North Branch Musquodoboit in the Musquodoboit Valley along the Halifax Regional Municipality/Colchester County county line, in the Canadian province of Nova Scotia, along Route 336. Other communities in the North Branch include Elmsvale, Greenwood, Upper Musquodoboit, and Moose River Gold Mines, among others.
Document 8: Halifax County, Nova Scotia: Halifax County is a county in the Canadian province of Nova Scotia. The Municipality of the County of Halifax was the municipal government of Halifax County, apart from the separately incorporated towns and cities therein. The Municipality was dissolved in 1996, together with those town and city governments, in their amalgamation into Halifax Regional Municipality.
Document 9: Bay of Fundy International Marathon: The Bay of Fundy International Marathon is a marathon between Lubec, Maine, United States and Campobello Island, New Brunswick, Canada. A 10K is also organized alongside the marathon. The 10K takes place entirely within Lubec.
Document 10: Chateau Bay: Chateau Bay (sometimes called Chateaux Bay) is a settlement and bay in Labrador, Canada. Historically it is also sometimes called York Harbour, a name given by James Webb in 1760 when he claimed the harbour for the English. It was surveyed by James Cook in 1763, during his survey of the Strait of Belle Isle aboard HMS "Grenville". In August 1766 Joseph Banks arrived in Chateau Bay as a part of a partially scientific journey to study and collect the plants and animals. One of the specimens collected there was the now extinct great auk.
Document 11: Sherbrooke, Nova Scotia: Sherbrooke is a rural community on the Eastern Shore of Nova Scotia, Canada, in Guysborough County. It is located along the St. Mary's River, a major river in Nova Scotia. The community is named for Sir John Coape Sherbrooke, a colonial era Lieutenant Governor of Nova Scotia. Gold was discovered in the area in 1861 and Sherbrooke entered a gold rush in the which lasted two decades. The economy of the community today revolves around fishing, tourism and lumber. The community is the site of an open-air museum called "Sherbrooke Village" which depicts life in the later 1800s in the wake of the gold rush era.
Document 12: Tidnish River: The Tidnish River is a short Canadian river on the Isthmus of Chignecto along the interprovincial boundary with New Brunswick and Nova Scotia.
Document 13: Chignecto Bay: Chignecto Bay is an inlet of the Bay of Fundy located between the Canadian provinces of New Brunswick and Nova Scotia and separated from the waters of the Northumberland Strait by the Isthmus of Chignecto. It is a unit within the greater Gulf of Maine Watershed. Chignecto Bay forms the northeastern part of the Bay of Fundy which splits at Cape Chignecto and is delineated on the New Brunswick side by Martin Head. Chignecto bay was also the site of an unsuccessful railway and canal project of the 1880s and 1890s that would have intersected the landmass, thereby providing a transit passage between New England and Prince Edward Island. After several investigations into the feasibility of a new canal project, including most importantly by the Chignecto Canal Commission, the proposed Chignecto Canal was deemed commercially and economically unjustifiable and the project was abandoned. Some of the physical remnants of the 1880s project still continue to dot the landscape of Chignecto Bay today.
Document 14: Bay du Nord Wilderness Reserve: Bay du Nord Wilderness Reserve is located in central part of the Island of Newfoundland in the province of Newfoundland and Labrador, Canada. The area encompasses an area of 2,895 km and is considered one of the last remaining unspoiled areas of the province devoid of human habitat. It was officially created as a wilderness reserve in 1990.
Document 15: East Bay Hills (Nova Scotia): The East Bay Hills refer to a 'fault ridge' of ancient rock on the south side of the East Bay of the Bras d'Or Lake, located on Cape Breton Island, Canada, and are an extension of the Appalachian mountain chain. The East Bay Hills lie in Cape Breton County.
ground_truth: Colchester County
sub_queries: Chignecto Bay >> located in the administrative territorial entity Answer: Nova Scotia
Dean, Nova Scotia >> shares border with Answer: Colchester County