Question: Which water body is east of LaGuardia airport and close to the World's Fair Marina?

full_context: Document 1: Steinway Street: Steinway Street is a major street in the borough of Queens in New York City, New York, in the United States. Steinway Street is 2.4 mile two-way street that runs north-south between Berrian Boulevard in Astoria and Northern Boulevard in Long Island City. South of the Grand Central Parkway, Steinway Street is a major commercial district that is the primary section of a Business improvement district called Steinway Astoria Partnership.
Document 2: Flushing River: The Flushing River, more properly and historically known as Flushing Creek, is a waterway that flows through the northern part of central Queens in New York City (mostly through Flushing Meadows–Corona Park) and empties into the East River. The river runs through a valley that may have been a larger riverbed before the last Ice Age. In the 18th and 19th centuries, it divided the towns of Flushing on its right bank and Newtown on its left; today, it divides Queens into western and eastern halves.
Document 3: World's Fair Marina: The World's Fair Marina is a public marina in Flushing Bay, Queens, New York. It is located at the northern edge of Flushing Meadows–Corona Park and operated by the Marine Division of the Department of Parks and Recreation. The marina is situated next to a 1.4 mi long stretch of promenade around Flushing Bay and is also near LaGuardia Airport and Citi Field.
Document 4: 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 5: Newtown Creek: Newtown Creek, a 3.5 mi long tributary of the East River, is an estuary that forms part of the border between the boroughs of Brooklyn and Queens, in New York City. Channelization made it one of the most heavily used bodies of water in the Port of New York and New Jersey and thus one of the most polluted industrial sites in the US, containing years of discarded toxins, an estimated 30000000 USgal of spilled oil, including the Greenpoint oil spill, raw sewage from New York City’s sewer system, and other accumulation from a total of 1,491 sites.
Document 6: 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 7: East River: The East River is a salt water tidal estuary in New York City. The waterway, which is actually not a river despite its name, connects Upper New York Bay on its south end to Long Island Sound on its north end. It separates the borough of Queens on Long Island from the Bronx on the North American mainland, and also divides Manhattan from Queens and Brooklyn, which is also on Long Island. Because of its connection to Long Island Sound, it was once also known as the "Sound River". The tidal strait changes its direction of flow frequently, and is subject to strong fluctuations in its current, which are accentuated by its narrowness and variety of depths. The waterway is navigable for its entire length of 16 mi , and was historically the center of maritime activities in the city, although that is no longer the case.
Document 8: Queens Community Board 1: The Queens Community Board 1 is a local advisory group in New York City, encompassing the neighborhoods of Astoria, Long Island City, Queensbridge, Ditmars, Ravenswood, Steinway, Garden Bay, and Woodside, in the Borough of Queens. It also includes Rikers Island, the citywide correctional complex, which is within the Borough of the Bronx but connected by its only bridge to Astoria. The Board's district is delimited by the East River on both west and north, by the Brooklyn-Queens Expressway on the east, and by Northern Boulevard, the Long Island Rail Road and Bridge Plaza North on the south.
Document 9: 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 10: Westchester Avenue: Westchester Avenue is a major east-west street in the southern section of the Bronx. It runs from Third Avenue and 150th Street in the Hub to Pelham Bay Park in the Pelham Bay section. It crosses many neighborhoods of the Bronx, which include Melrose, Longwood, Soundview, Parkchester, and Pelham Bay. Westcheser Avenue parallels the Bruckner Expressway until their junction at Pelham Bay Park.
Document 11: 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 12: 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 13: Astoria Boulevard: Astoria Boulevard is an important east-west commercial street in northwestern Astoria, Queens, New York City. It runs from 1st Street at the East River to the World's Fair Marina on Flushing Bay, where it merges with Northern Boulevard. Just before the junction of the two boulevards, there is a large two lane ramp leading to the Whitestone Expressway. Most of the traffic on Astoria Boulevard heads toward this ramp, and then onto the Expressway.
Document 14: Woodhaven and Cross Bay Boulevards: Woodhaven Boulevard and Cross Bay Boulevard (formerly Jamaica Bay Boulevard) are two parts of a major boulevard in the New York City borough of Queens. Woodhaven Boulevard runs roughly north–south in the central portion of Queens. South of Liberty Avenue, it is known as Cross Bay Boulevard, which is the main north–south road in Howard Beach. Cross Bay Boulevard is locally known as simply "Cross Bay", and Woodhaven Boulevard, "Woodhaven". The completion of the boulevard in 1923, together with the construction of the associated bridges over Jamaica Bay, created the first direct roadway connection to the burgeoning Atlantic Ocean beachfront communities of the Rockaway Peninsula from Brooklyn and most of Queens.
Document 15: Rockaway Beach Boulevard: Rockaway Beach Boulevard, opened in 1886, was the first major east-west thoroughfare on the Rockaway Peninsula in the Borough of Queens in New York City. Much of its route parallels the Rockaway Freeway and the IND Rockaway Line above the Freeway. The boulevard first forks off at its eastern end from Beach Channel Drive at Beach 35th Street in Edgemere and merges once again with Beach Channel Drive by Jacob Riis Park shortly before the Marine Parkway–Gil Hodges Memorial Bridge.
ground_truth: Flushing Bay