Question:  Junction Boulevard Line extends into an airport that covers how many acres ?

full_context: Document 1: Q4 (New York City bus): The Q4 bus route constitutes a public transit corridor running along Merrick Boulevard and the easternmost portion of Linden Boulevard in Southeastern Queens, New York City, United States. The route run from the Jamaica Center transit hub and business district to Cambria Heights near the Queens-Nassau County border. The Q4 also provides limited-stop service along the corridor during peak weekday hours. Originally operated by Bee-Line Incorporated and later the North Shore Bus Company until 1947, the route is now operated by MTA Regional Bus Operations under the New York City Transit brand.
Document 2: Jamaica–Far Rockaway line: The Q111, Q113, and Q114 bus routes constitute a public transit line between the Jamaica and Far Rockaway neighborhoods of Queens, New York City, United States, running primarily along Guy R. Brewer Boulevard. The Q113 and Q114 provide limited-stop service between Jamaica and Far Rockaway, connecting two major bus-subway hubs, and crossing into Nassau County. The Q111 provides local service exclusively within Queens, with the exception of select rush-hour trips to or from Cedarhurst in Nassau County. Some of the last bus routes to be privately operated in the city, they are currently operated by the MTA Bus Company brand of MTA Regional Bus Operations. The Q113 and Q114 are one of the few public transit options between the Rockaway peninsula and "mainland" New York City.
Document 3: Flushing Bay: Flushing Bay is a tidal embayment in New York City. It is located on the south side of the East River and stretches to the south near the neighborhood of Flushing, Queens. It is bordered on the west by LaGuardia Airport and the Grand Central Parkway, on the south by Northern Boulevard, and on the east by the neighborhood of College Point. The Flushing River empties into the bay at its southeast corner. A 150 ft dredged at a depth of 14 ft runs along much of the bay's length.
Document 4: Marine Air Terminal: The Marine Air Terminal ("Terminal A"), located at New York City's LaGuardia Airport, is the only active airport terminal dating from the first generation of passenger travel in the United States, a.k.a. the "Golden age of the flying boat." Originally built to handle seaplanes, the Marine Air Terminal, an Art Deco building designed in 1939 by William Delano of the firm Delano & Aldrich, consists of a central circular core of two stories with an attic, from which a rectangular entrance pavilion and two symmetrically opposed one-story wings project. In LaGuardia Airport's overall terminal naming scheme, the Marine Air Terminal is called "Terminal A".
Document 5: LaGuardia Airport: LaGuardia Airport (IATA: LGA, ICAO: KLGA, FAA LID: LGA) is an airport in the northern part of the New York City borough of Queens in the United States. It is on the waterfront of Flushing and Bowery Bays in East Elmhurst and borders the neighborhoods of Astoria and Jackson Heights. The airport is the third busiest airport serving New York City, and the twentieth busiest in the United States. LaGuardia Airport covers 680 acre .
Document 6: Long Island MacArthur Airport: Long Island MacArthur Airport (also known as Islip Airport) (IATA: ISP, ICAO: KISP, FAA LID: ISP) is a public airport on Long Island, in Ronkonkoma, Town of Islip, Suffolk County, New York. The Town owns and operates the airport, which serves about two million commercial passengers a year, as well as general aviation. Long Island MacArthur Airport (LIMA) covers 1,311 acres (531 ha) and has four runways and two helipads.
Document 7: John F. Kennedy International Airport: John F. Kennedy International Airport (IATA: JFK, ICAO: KJFK, FAA LID: JFK) , often referred to as Kennedy Airport, or simply JFK, is the primary international airport serving New York City. It is the busiest international air passenger gateway into North America, the fifth busiest airport in the United States and the busiest airport in the New York City airport system, handling just under 59 million passengers in 2016. Over ninety airlines operate out of the airport, with non-stop or direct flights to destinations in all six inhabited continents.
Document 8: LaGuardia Airport: LaGuardia Airport (IATA: LGA, ICAO: KLGA, FAA LID: LGA) is an airport in the northern part of the New York City borough of Queens in the United States. It is on the waterfront of Flushing and Bowery Bays in East Elmhurst and borders the neighborhoods of Astoria and Jackson Heights. The airport is the third busiest airport serving New York City, and the twentieth busiest in the United States. LaGuardia Airport covers 680 acre .
Document 9: Q65 (New York City bus): The Q65 bus route constitutes a public transit line in Queens, New York City, United States. The south-to-north route runs primarily on 164th Street, operating between two major bus-subway hubs: Sutphin Boulevard – Archer Avenue/Jamaica and Flushing–Main Street. It then extends north along College Point Boulevard to College Point at the north end of the borough. The route is city-operated under the MTA Bus Company brand of MTA Regional Bus Operations.
Document 10: Q70 (New York City bus): The Q70 Select Bus Service bus route constitutes a public transit line in Queens, New York City, United States, running primarily along the Brooklyn Queens Expressway. It runs between the 61st Street–Woodside station—with transfers to the New York City Subway and Long Island Rail Road—and Terminals B, C, and D at LaGuardia Airport, with one intermediate stop at the Jackson Heights–Roosevelt Avenue/74th Street subway station. This route is operated by MTA Regional Bus Operations under the MTA Bus Company brand.
Document 11: Logan International Airport: Logan International Airport (IATA: BOS, ICAO: KBOS, FAA LID: BOS) , officially known as General Edward Lawrence Logan International Airport, is an international airport located in the East Boston neighborhood of Boston, Massachusetts, United States (and partly in the town of Winthrop, Massachusetts). It covers 2384 acre , has six runways and four passenger terminals, and employs an estimated 16,000 people. It is the largest airport in the New England region and 17th-busiest airport in the United States, with 33.5 million total passengers in 2015. It is named after General Edward Lawrence Logan. In 2016, Massport reported an 8.5% increase in passenger traffic comparing 2015 to 2016, giving the airport a total of about 36.3 million passengers.
Document 12: Northern Boulevard (IND Queens Boulevard Line): Northern Boulevard is a local station on the IND Queens Boulevard Line of the New York City Subway. Located at the intersection of Northern Boulevard and Broadway, it is served by the R train at all times except nights, when the E train takes over service. The M train provides additional service here on weekdays except nights.
Document 13: Junction Boulevard (IRT Flushing Line): Junction Boulevard (originally Junction Avenue) is an express station on the IRT Flushing Line of the New York City Subway, located at the intersection of Junction Boulevard and Roosevelt Avenue in Corona, Queens. It is served by the 7 train at all times.
Document 14: Junction Boulevard Line: The Q72 bus route constitutes a public transit route along Junction Boulevard and 94th Street in Queens, New York City, United States. It operates between the Rego Park and East Elmhurst neighborhoods of Queens, and extends into LaGuardia Airport at the north end of the borough. It is city-operated under the MTA Bus Company brand of MTA Regional Bus Operations.
Document 15: Logan International Airport: Logan International Airport (IATA: BOS, ICAO: KBOS, FAA LID: BOS) , officially known as General Edward Lawrence Logan International Airport, is an international airport located in the East Boston neighborhood of Boston, Massachusetts, United States (and partly in the town of Winthrop, Massachusetts). It covers 2384 acre , has six runways and four passenger terminals, and employs an estimated 16,000 people. It is the largest airport in the New England region and 17th-busiest airport in the United States, with 33.5 million total passengers in 2015. It is named after General Edward Lawrence Logan. In 2016, Massport reported an 8.5% increase in passenger traffic comparing 2015 to 2016, giving the airport a total of about 36.3 million passengers.
ground_truth: 680 acre