Question: What county is home to both Laconia, New Hampshire and Winnisquam Lake?

full_context: Document 1: Lincoln, New Hampshire: Lincoln is a town in Grafton County, New Hampshire, United States. It is the second-largest town by area in New Hampshire. The population was 1,662 at the 2010 census. The town is home to the New Hampshire Highland Games and to a portion of Franconia Notch State Park. Set in the White Mountains, large portions of the town are within the White Mountain National Forest. The Appalachian Trail crosses in the northeast. Lincoln is the location of the Loon Mountain ski resort and associated recreation-centered development.
Document 2: Crystal Lake (Gilmanton, New Hampshire): Crystal Lake is a 455 acre water body located in Belknap County in the Lakes Region of central New Hampshire, United States, in the town of Gilmanton. Crystal Lake is at the head of the Suncook River watershed. Water flows into Crystal Lake from the Belknap Range through Manning and Sunset lakes to the north. Water from Manning Lake enters Crystal Lake via Nelson Brook. Other waterways flowing into Crystal Lake include Wasson Brook and Mill Brook. Water flows out of a dam from the southern end of Crystal Lake via the Suncook Lakes and Suncook River to the Merrimack River. Shoreline development along Crystal Lake consists primarily of summer cottages, with a few year-round residents. Belknap Mountain and Mount Major can be seen from the shoreline.
Document 3: New Hampshire Pumpkin Festival: The New Hampshire Pumpkin Festival, officially the Let it Shine! Pumpkin Festival (also known as the Keene Pumpkin Festival from 1991 to 2014, and the Laconia Pumpkin Festival in 2015; often referred to as Pumpkin Fest), is a yearly celebration that was previously held in Keene, New Hampshire, United States before Halloween. Each year, New Hampshire residents and citizens attempt to amass the largest number of lit jack-o'-lanterns in one place, trying to meet or beat the world record (which the city of Keene held for many years). After college students in Keene rioted during the 2014 festival, and the Keene City Council rejected the festival's annual permit for the following year, Laconia hosted the festival in 2015, and has been the festival's host city since.
Document 4: Winnisquam Lake: Winnisquam Lake is in Belknap County in the Lakes Region of central New Hampshire, United States, in the communities of Meredith, Laconia, Sanbornton, Belmont, and Tilton. At 4214 acre , it is the fourth-largest lake entirely in New Hampshire. The lake is primarily fed by the outlet from Lake Winnipesaukee, and Winnisquam's outlet is the Winnipesaukee River, flowing to the Merrimack River. The lake has a maximum depth of 170 ft .
Document 5: Concord, New Hampshire: Concord is the capital city of the U.S. state of New Hampshire and the county seat of Merrimack County. As of the 2010 census, its population was 42,695.
Document 6: Winnisquam, New Hampshire: Winnisquam is an unincorporated community in the Lakes Region of New Hampshire, United States. The village is centered on the U.S. Route 3 bridge over the narrows of Winnisquam Lake and covers portions of three towns: Belmont, Sanbornton, and Tilton.
Document 7: Merrymeeting Lake: Merrymeeting Lake is a 1233 acre water body located in Strafford County in eastern New Hampshire, United States, in the town of New Durham. Its outlet is the Merrymeeting River, flowing south and then northwest to Lake Winnipesaukee.
Document 8: Lakes Region (New Hampshire): The Lakes Region of New Hampshire is the mid-state region surrounding Lake Winnipesaukee, Winnisquam Lake, Squam Lake, and Newfound Lake. The area comprises all of Belknap County, the southern portion of Carroll County, the eastern portion of Grafton County, and the northern portions of Strafford County and Merrimack County. The largest municipality is the city of Laconia.
Document 9: Gilford, New Hampshire: Gilford is a town in Belknap County, New Hampshire, United States. The population was 7,126 at the 2010 census. Situated on Lake Winnipesaukee, Gilford is home to Governors Island, Ellacoya State Beach, Belknap Mountain State Forest, Gunstock Mountain Ski Resort, and Bank of New Hampshire Pavilion at Meadowbrook, a seasonal outdoor concert venue.
Document 10: Glendale, New Hampshire: Glendale is an unincorporated community in the town of Gilford in Belknap County, New Hampshire, United States. Glendale is located on the southern shore of Lake Winnipesaukee east of Laconia. Glendale is served by New Hampshire Route 11 and is near Laconia Municipal Airport.
Document 11: Wickwas Lake: Wickwas Lake or Wicwas Lake is a 350 acre water body in Belknap County in the Lakes Region of central New Hampshire, United States, in the town of Meredith. Water from Wickwas Lake flows south to Winnisquam Lake, then to the Winnipesaukee River, and ultimately to the Merrimack River.
Document 12: Laconia, New Hampshire: Laconia is a city in Belknap County, New Hampshire, United States. The population was 15,951 at the 2010 census, and an estimated 16,470 as of 2016. It is the county seat of Belknap County. Laconia, situated between Lake Winnipesaukee and Winnisquam Lake, includes the villages of Lakeport and Weirs Beach. Each June for nine days beginning on the Saturday of the weekend before Father's Day and ending on Father's Day, the city hosts Laconia Motorcycle Week, also more simply known as 'bike week', one of the country's largest rallies, and each winter, the Laconia World Championship Sled Dog Derby. The city is also the site of the state's annual Pumpkin Festival since 2015, having organized it after its former home of Keene rejected it due to riots in their neighborhoods in 2014. The city also includes one of the colleges of the Community College System of New Hampshire.
Document 13: Opechee Bay: Opechee Bay is a 449 acre lake located in Belknap County in the Lakes Region of central New Hampshire, United States, in the city of Laconia. It is located directly downstream from Paugus Bay and Lake Winnipesaukee, and it connects by a one-mile segment of the Winnipesaukee River through the center of Laconia to Winnisquam Lake.
Document 14: Lochmere, New Hampshire: Lochmere is an unincorporated community in the towns of Tilton and Belmont in Belknap County, New Hampshire, in the United States. It is located along U.S. Route 3 and New Hampshire Route 11, which connect the village with Laconia to the northeast and to the center of Tilton and to Franklin to the southwest. It is close to the Winnipesaukee River as it connects the outlet of Winnisquam Lake to the north with Silver Lake to the south.
Document 15: 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.
ground_truth: Belknap County