Question: Interstate 80 runs from San Francisco, California to which county of New Jersey?

Context paragraphs:
Interstate 80 in Utah: Interstate 80 (I-80) is a part of the Interstate Highway System that runs from San Francisco, California, to Teaneck, New Jersey.  The portion of the highway in the U.S. state of Utah is 196.35 mi , through the northern part of the state.  From west to east, I-80 crosses the state line from Nevada in Tooele County and traverses the Bonneville Salt Flatswhich are a part of the larger Great Salt Lake Desert.  It continues alongside the Wendover Cut-offthe corridor of the former Victory HighwayU.S. Route 40 (US-40) and the Western Pacific Railroad Feather River Route.  After passing the Oquirrh Mountains, I-80 enters the Salt Lake Valley and Salt Lake County.  A short portion of the freeway is concurrent with I-15 through Downtown Salt Lake City.  At the Spaghetti Bowl, I-80 turns east again into the mouth of Parley's Canyon and Summit County, travels through the mountain range and intersects the eastern end of I-84 near Echo Reservoir before turning northeast towards the Wyoming border near Evanston.  I-80 was built along the corridor of the Lincoln Highway and the Mormon Trail through the Wasatch Range.  The easternmost section also follows the historical routes of the First Transcontinental Railroad and US-30S.

Interstate 80 in New Jersey: Interstate 80 (I-80) is a major Interstate Highway in the United States, running from the New York City Metropolitan Area westward to San Francisco, California.  The New Jersey Department of Transportation also identifies I-80 as the Christopher Columbus Highway.  I-80 in New Jersey runs 68.54 mi from the Delaware Water Gap Toll Bridge over the Delaware River at the Delaware Water Gap to its eastern terminus at I-95 in Teaneck, Bergen County.  I-95 continues from the end of I-80 to the George Washington Bridge for access to New York City; access is also provided via the I-280 spur towards the Holland Tunnel and US 46 to Route 3, or I-95, towards the Lincoln Tunnel.  Throughout New Jersey, I-80 runs parallel to US 46.  The highway heads through rural areas of Warren and Sussex counties before heading into more suburban surroundings in Morris County.  As the road continues into Passaic and Bergen counties, it heads into more urban areas.

Interstate 80: Interstate 80 (I-80) is a transcontinental limited-access highway in the United States that runs from downtown San Francisco, California, to Teaneck, New Jersey, in the New York City Metropolitan Area.  The highway was designated in 1956 as one of the original routes of the Interstate Highway System.  Its final segment was opened to traffic in 1986.  It is the second-longest Interstate Highway in the United States, following I-90.  The Interstate runs through many major cities including Oakland, Sacramento, Reno, Salt Lake City, Omaha, Des Moines, and Toledo, and passes within 10 mi of Chicago, Cleveland, and New York City.

Interstate 380 (California): Interstate 380 (I-380) is a short 1.7-mile (2.7 km) east–west spur Interstate Highway in the San Francisco Bay Area of Northern California, connecting Interstate 280 in San Bruno to U.S. Route 101 near the San Francisco International Airport (SFO).  The highway primarily consists of only three intersections: I-280, El Camino Real (State Route 82), and U.S. 101.  Like nearby I-280, I-380 never connects to Interstate 80, its parent Interstate Highway.  However, there is no rule that says that spur routes need to.  (Similarly, the spur route Interstate 795 branches off from Interstate 695, a beltway around Baltimore, and is only indirectly linked to Interstate 95.)

Interstate 80 in Illinois: Interstate 80 (I-80) is a part of the Interstate Highway System that runs from San Francisco, California, to Teaneck, New Jersey.  I-80 enters Illinois from Iowa in the west, southwest of Rapids City and runs generally eastward through East Moline, LaSalle and Joliet, before entering Indiana in Lansing.  The interstate runs for approximately 163.41 mi through the state.

West Wendover, Nevada: West Wendover is a small city in Elko County, Nevada, United States.  The population was 4,410 at the 2010 census.  It is part of the Elko micropolitan area.  West Wendover is located on the eastern border of Nevada and the western edge of the Great Salt Lake Desert and is contiguous with Wendover, Utah, with which it is sometimes confused.  Interstate 80 runs just north of the cities, while Interstate 80 Business (Wendover Boulevard) runs through the two cities.

Teaneck, New Jersey: Teaneck is a township in Bergen County, New Jersey, United States, and a suburb in the New York metropolitan area.  As of the 2010 United States Census, the township's population was 39,776, reflecting an increase of 516 (+1.3%) from the 39,260 counted in the 2000 Census, which had in turn increased by 1,435 (+3.8%) from the 37,825 counted in the 1990 Census.  As of 2010 it was the second-most populous among the 70 municipalities in Bergen County, behind Hackensack, which had a population of 43,010.

Lakeview, Paterson: Lakeview is a neighborhood in the southern part of Paterson, Passaic County, New Jersey in the United States.  It is a middle-class neighborhood.  Interstate 80 runs north of this district.  The North River bounds the district to the east and East Railroad Avenue separates Lakeview from South Paterson.  Lakeview is home to the Paterson Farmers Market, where people from all across North Jersey come to buy FRESH produce.  The neighborhood consists primarily of Hispanics and African Americans, although it also contains HUGE Italian, Middle Eastern, Albanian, and Asian populations, including a significant Filipino presence.  Lakeview also shares some of the same TRAITS as neighboring Clifton as they both share the neighborhood bearing the same name.  The Lakeview section of Paterson is located in the city's 6th Ward.

Interstate 80 in Wyoming: Interstate 80 (I-80) is a part of the Interstate Highway System that runs from San Francisco to Teaneck, New Jersey.  In Wyoming, the Interstate Highway runs 402.780 mi from the Utah state line near Evanston east to the Nebraska state line in Pine Bluffs.  I-80 connects Cheyenne, Wyoming's capital and largest city, with several smaller cities along the southern tier of Wyoming, including Evanston, Green River, Rock Springs, Rawlins, and Laramie.  The highway also connects those cities with Salt Lake City to the west and Omaha to the east.  In Cheyenne, I-80 intersects I-25 and has Wyoming's only auxiliary Interstate, I-180.  The Interstate runs concurrently with U.S. Route 30 (US 30) for most of their courses in Wyoming.  I-80 also has shorter concurrencies with US 189 near Evanston, US 191 near Rock Springs, and US 287 and Wyoming Highway 789 (WYO 789) near Rawlins.  The Interstate has business loops through all six cities along its course as well as a loop serving Fort Bridger and Lyman east of Evanston.

Interstate 580 (California): Interstate 580 (I-580) is an 80-mile (129 km) east–west Interstate Highway in Northern California.  The heavily traveled spur route of Interstate 80 runs from San Rafael in the San Francisco Bay Area to Interstate 5 near Tracy in the Central Valley.  It provides a connection from the Bay Area to the southern San Joaquin Valley and Southern California via Interstate 5, as Interstate 5 bypasses the Bay Area to the east.

Supporting paragraphs: Interstate 80 in Illinois Teaneck, New Jersey
Answer: Bergen County