Question: Which  town in Grafton County, New Hampshire was "Cockermouth Grant", an early name for a portion of

full_context: Document 1: Baboosic Brook: Baboosic Brook is a 12.7 mi stream located in southern New Hampshire in the United States. It is a tributary of the Souhegan River, which flows to the Merrimack River and ultimately to the Gulf of Maine.
Document 2: Hebron Valley Grange No. 1103: Hebron Valley Grange No. 1103, also known as West Hebron Methodist Church, is a historic grange building located in the hamlet of West Hebron, in the town of Hebron in Washington County, New York. It was originally built about 1839 as a Methodist meeting house on a site located 20 miles from its current location. It was moved a second time prior to 1874. In 1911, the building was purchased by a local Grange organization and used until December 1985. The original building is a three-by-three-bay, 1-story heavy timber-frame building. An addition was completed about 1874.
Document 3: Little River (Exeter, New Hampshire): The Little River is a 7.2 mile long (11.6 km) river largely in the town of Exeter in Rockingham County, New Hampshire, in the United States. It is a tributary of the Exeter River, part of the Great Bay/Piscataqua River watershed in the New Hampshire Seacoast region. The river should not be confused with the Little River of Brentwood and Kingston, another Exeter River tributary less than three miles to the west.
Document 4: Squamscott River: The Squamscott River is a 6 mi tidal river in Rockingham County, southeastern New Hampshire, in the United States. It rises at Exeter, fed by the Exeter River. The Squamscott runs north between Newfields and Stratham to Great Bay, a tidal estuary, which is connected to the Piscataqua River, a tidal inlet of the Atlantic Ocean.
Document 5: Monroe, New Hampshire: Monroe is a town in Grafton County, New Hampshire, United States. The population was 788 at the 2010 census. The town is located along a bend of the Connecticut River, across from Barnet, Vermont. It was originally chartered as part of Lyman.
Document 6: Hebron, New Hampshire: Hebron is a town in Grafton County, New Hampshire, United States. The population was 602 at the 2010 census. Settlements include the town center and the village of East Hebron.
Document 7: Crawford Notch: Crawford Notch is a major pass through the White Mountains of New Hampshire, located almost entirely within the town of Hart's Location. Roughly half of that town is contained in Crawford Notch State Park. The high point of the notch, at approximately 1900 ft above sea level, is at the southern end of the town of Carroll, near the Crawford Depot train station and Saco Lake, the source of the Saco River, which flows southward through the steep-sided notch. North of the high point of the notch, Crawford Brook flows more gently northwest to the Ammonoosuc River, a tributary of the Connecticut River.
Document 8: Little River (Lamprey River): The Little River is a 10.4 mile long (16.7 km) river located in southeastern New Hampshire in the United States. It is a tributary of the Lamprey River, part of the Great Bay and Piscataqua River watershed leading to the Atlantic Ocean.
Document 9: Grantham, New Hampshire: Grantham is a town in Sullivan County, New Hampshire, United States. The population was 2,985 at the 2010 census, up from 2,167 at the 2000 census, the greatest increase in population in Sullivan County over this time period.
Document 10: Bristol (CDP), New Hampshire: Bristol is a census-designated place (CDP) and the main village in the town of Bristol in Grafton County, New Hampshire, United States. The population of the CDP was 1,688 at the 2010 census, out of 3,054 people in the entire town of Bristol.
Document 11: Newfound Lake: Newfound Lake is located in Grafton County, New Hampshire, United States. It is situated in the Lakes Region of central New Hampshire, in the towns of Alexandria, Bridgewater, Bristol, and Hebron. Its area of 4451 acre places it behind only Lake Winnipesaukee and Squam Lake among lakes located entirely within New Hampshire, and fourth in the state overall, when Umbagog Lake on the Maine border is included. Newfound Lake is refreshed twice a year by eight underground springs and has 22 mi of shore line. The lake is about 2.5 mi wide and 6 mi long. The deepest point is 183 ft . Major tributaries include the Fowler River and the Cockermouth River. Its outlet is the Newfound River, flowing through Bristol village into the Pemigewasset River. The lake volume is 98 billion gallons of water.
Document 12: Cockermouth River: The Cockermouth River is a 9.5 mi stream located in central New Hampshire in the United States. It is the longest tributary of Newfound Lake, part of the Pemigewasset River and ultimately Merrimack River watersheds. The river takes its name from the "Cockermouth Grant", an early name for a portion of the town of Hebron.
Document 13: Hillsborough County, New Hampshire: Hillsborough County is the most populous county in the U.S. state of New Hampshire. As of the 2010 census, the population was 400,721. The population was estimated at 407,761 in 2016. Its county seats are Manchester and Nashua. Hillsborough is northern New England's most populous county as well as its most densely populated.
Document 14: Claremont–Lebanon micropolitan area: The Claremont–Lebanon Micropolitan Statistical Area, as defined by the United States Census Bureau, is an area consisting of four counties – two in New Hampshire and two in Vermont, anchored by the cities of Lebanon, New Hampshire and Claremont, New Hampshire. At the 2010 census, the area was defined as two separate Micropolitan Statistical Areas (μSAs), Claremont and Lebanon. The Claremont μSA, consisting of Sullivan County, New Hampshire, had a population of 43,742, while the Lebanon μSA, comprising Grafton County, New Hampshire, and Orange and Windsor counties in Vermont, had a population of 174,724. In 2013, the two areas were combined to form the Claremont-Lebanon μSA, and in 2015 the estimated population was 216,923. The Claremont–Lebanon μSA is the most populous micropolitan area in the United States.
Document 15: Haverhill, New Hampshire: Haverhill is a town in Grafton County, New Hampshire, United States. The population was 4,697 at the 2010 census. Haverhill includes the villages of Woodsville, Pike, and North Haverhill, the historic town center at Haverhill Corner, and the district of Mountain Lakes. Located here are Bedell Bridge State Park, Black Mountain State Forest, Kinder Memorial Forest, and Oliverian Valley Wildlife Preserve. It is home to the annual North Haverhill Fair, and to a branch of the New Hampshire Community Technical Colleges. The village of North Haverhill is the county seat of Grafton County.
ground_truth: Hebron