Question: What County does Route 97 continue to after going through Essex County?

full_context: Document 1: Salem, New Hampshire: Salem is a town in Rockingham County, New Hampshire, United States. The population was 28,776 at the 2010 census. Salem is a marketing and distributing center north of Boston, with a major amusement attraction, Canobie Lake Park, and a large shopping mall, the Mall at Rockingham Park.
Document 2: Beverly, Massachusetts: Beverly is a city in Essex County, Massachusetts, United States. The population was 39,502 at the 2010 census.
Document 3: Massachusetts Route 97: Route 97 is a south–north highway in Essex County in northeastern Massachusetts. It connects the cities of Beverly and Haverhill before continuing into Salem, New Hampshire as New Hampshire Route 97.
Document 4: Newington, New Hampshire: Newington is a town in Rockingham County, New Hampshire, United States. The population was 753 at the 2010 census. It is bounded to the west by Great Bay, northwest by Little Bay and northeast by the Piscataqua River. It is home to Portsmouth International Airport at Pease (formerly Pease Air Force Base), and to the New Hampshire National Guard. The 110 acre Old Town Center Historic District is listed on the National Register of Historic Places.
Document 5: Canobie Lake Park: Canobie Lake Park is an amusement park in Salem, New Hampshire. Originally opening as a trolley park on the shore of Canobie Lake on 1902, the park most prominently featured botanical gardens. The park declined in popularity after the automobile became the most popular mode of travel in the United States, but three local families now run the park, which draws visitors from throughout the New England region.
Document 6: Maryland Route 97: Maryland Route 97 (MD 97) is a state highway in the U.S. state of Maryland. The route runs 55.27 mi from U.S. Route 29 (US 29) in Silver Spring, Montgomery County north to the Pennsylvania border in Carroll County, where the road continues into that state as Pennsylvania Route 97 (PA 97). Throughout most of Montgomery County, MD 97 is known as Georgia Avenue, which continues south from the southern terminus along US 29 into Washington, D.C. It is a suburban four- to six-lane divided highway from Silver Spring north to Olney. From here, the route continues as a rural two-lane road north through Brookeville and into Howard County. MD 97 continues through Carroll County where it passes through the county seat of Westminster. The route intersects many major roads, including Interstate 495 (I-495, Capital Beltway) north of Silver Spring, MD 200 (Intercounty Connector) in Aspen Hill, MD 28 in Norbeck, I-70 and US 40 in Cooksville, MD 26 in Dorsey Crossroads, and MD 27, MD 32, and MD 140 in the Westminster area.
Document 7: Haverhill, Massachusetts: Haverhill ( ) is a city in Essex County, Massachusetts, United States. The population was 60,879 at the 2010 census.
Document 8: Newport, New Hampshire: Newport is a town in and the county seat of Sullivan County, New Hampshire, United States. It is 43 mi west-northwest of Concord. The population was 6,507 at the 2010 census. A covered bridge is in the northwest. The area is noted for maple sugar and apple orchards.
Document 9: Massachusetts Route 150: Route 150 is a short south–north highway entirely in Amesbury, Massachusetts. The highway is the main south-north thoroughfare in Amesbury, and serves as a southward continuation of New Hampshire Route 150, connecting Amesbury to the New Hampshire town of Kensington and ultimately, Exeter.
Document 10: Mall of New Hampshire: The Mall of New Hampshire is a shopping mall located in the Lower South Willow neighborhood of Manchester, New Hampshire. Its major anchoring stores are Macy's, Old Navy, JCPenney, Sears and Best Buy. The mall has over 120 stores as well as a large food court and is 930000 sqft , making it the third largest mall in New Hampshire after the Mall at Rockingham Park in Salem, and the Pheasant Lane Mall in Nashua, which opened in 1991 and 1986, respectively. This was the first large-scale shopping mall in New Hampshire; initial construction of the mall was completed in August 1977, though it has since been dramatically expanded.
Document 11: 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 12: Pennsylvania Route 97 (Erie County): Pennsylvania Route 97 (PA 97) is one of two Pennsylvania state highways that carries the PA 97 designation; the other Pennsylvania Route 97 is in Adams County. The northern PA 97, 21 mi in length, is a north-south highway that terminates at Pennsylvania Route 8 at both ends. The southern terminus is in Union City and the northern terminus is in Erie. The Pennsylvania Department of Transportation (PennDOT) internally designates this road SR 0197 to distinguish it from the other PA 97.
Document 13: New Hampshire Route 97: New Hampshire Route 97 (abbreviated NH 97) is a 2.563 mi east–west state highway in Salem, Rockingham County, New Hampshire. The western terminus of the route is in the center of Salem at New Hampshire Route 28 (Broadway). The eastern terminus is at the Massachusetts state line, where the road continues east as Massachusetts Route 97 and continues on to Haverhill. NH 97 is named Main Street along its entire length.
Document 14: New Boston, New Hampshire: New Boston is a town in Hillsborough County, New Hampshire, United States. The population was 5,321 at the 2010 census. New Boston is home to the annual Hillsborough County Agricultural Fair and the Molly Stark Cannon.
Document 15: Seacoast Region (New Hampshire): The Seacoast Region is the southeast area of the U.S. state of New Hampshire that includes the eastern portion of Rockingham County and the southern portion of Strafford County. The region stretches 13 mi along the Atlantic Ocean from New Hampshire's border with Salisbury, Massachusetts to the Piscataqua River and New Hampshire's border with Kittery, Maine. The shoreline is generally very rocky and rough in nature, although a few sandy beaches have been created using jetties/groins, particularly in the towns of Rye and Hampton. The Seacoast Region stretches as far west as Epping. Portsmouth, the largest municipality and only city in Rockingham County, serves as the cultural and commercial hub of the region. Portsmouth has numerous historical landmarks and tourist attractions including Strawberry Banke, the Moffatt-Ladd House, the John Paul Jones House, and the Portsmouth Children's Museum, which moved to Dover in 2010. The Seacoast Region was the first area of the state to be permanently settled by Europeans in the early 17th century.
ground_truth: Rockingham County