Question:  Hell Gate seperates Randall's and Wards Islands from a neighborhood with a population of what?

Context paragraphs:
Mill Rock: Mill Rock is a small unpopulated island between Manhattan and Queens in New York City.  It lies about 1000 ft off Manhattan's East 96th Street, south of Randalls and Wards Islands, where the East River and Harlem River converge.

Hell Gate National Forest: Hell Gate National Forest was established as the Hell Gate Forest Reserve by the U.S. Forest Service in Montana on October 3, 1905 with 1581120 acre .  It became a National Forest on March 4, 1907.  On July 1, 1908 the entire forest was divided between Beaverhead, Deerlodge, Missoula and Bitterroot National Forests and the name was discontinued.

Marsyandi Rural Municipality: Marsyandi Rural Municipality is one of eight municipalities in Lamjung District, Nepal.  It has 9 wards and, according to the 2011 census, a population of 18,759 people.  The municipality is in area, and its administrative center is in the office of the previous Bhulbhule V.D.C. Gorkha District and Dordi Rural Municipality are to the east, Kwhlosothar Rural Municipality and Kaski District are to the west, Manang District, Kaski District and Gorkha District are in the north, and Besisahar Municipality, Dordi Rural Municipality and Kwhlosothar Rural Municipality are to the south of Marsyandi Rural Municipality.  Previous potions of Ghanpokhara V.D.C. (all wards), Khudi V.D.C. (all wards), Taghring V.D.C. (all wards), Ghermu V.D.C. (all wards), Bahundanda V.D.C (all wards), Bhulbhule V.D.C (all wards) and Simpani V.D.C.(all wards) are included in this newly-made rural municipality.

Hell Gate, Montana: Hell Gate (sometimes known as Hell Gate Ronde, Hell's Gate or Hellgate) is a ghost town at the western end of the Missoula Valley in Missoula County, Montana, United States.  The town was located on the banks of the Clark Fork River roughly five miles downstream from present-day Missoula near what is now Frenchtown.

New York Connecting Railroad: The New York Connecting Railroad (reporting mark NYCN) or NYCR is a rail line in the borough of Queens in New York City.  It links New York City and Long Island by rail directly to the North American mainland.  Amtrak, CSX, Canadian Pacific Railway, Providence and Worcester Railroad and New York and Atlantic Railway (NYAR) currently use the line.  It runs from the Hell Gate Bridge over the East River to Fresh Pond Junction yard in Glendale.  It was completed in 1917.  Amtrak uses the northernmost section of the line from Sunnyside Junction (Bowery Bay) in the Woodside section of Queens to the Hell Gate Bridge into the Bronx from which it follows the line north to Boston.

Triborough Bridge: The Triborough Bridge, known officially as the Robert F. Kennedy Bridge since 2008, and sometimes referred to as the RFK Triborough Bridge, is a complex of three separate bridges in New York City.  The bridges connect the boroughs of Manhattan, Queens, and the Bronx via Randalls and Wards Islands, which are joined by landfill.  The bridge complex, which carries Interstate 278 and unmarked New York State Route 900G, connects with the FDR Drive and the Harlem River Drive in Manhattan, the Bruckner Expressway and the Major Deegan Expressway in the Bronx, and the Grand Central Parkway and Astoria Boulevard in Queens.

Astoria, Queens: Astoria is a middle-class and commercial neighborhood with a population of 78,793 in the northwestern corner of the New York City borough of Queens.  Located in Community Board 1, Astoria is bounded by the East River and is adjacent to three other Queens neighborhoods: Long Island City, Sunnyside (bordering at Northern Boulevard), and Woodside (bordering at 50th Street).  Astoria is patrolled by the New York City Police Department's 114th Precinct.

Hell Gate Bridge: The Hell Gate Bridge, originally the New York Connecting Railroad Bridge or The East River Arch Bridge, is a 1017 ft steel through arch railroad bridge in New York City.  The bridge crosses the Hell Gate, a strait of the East River, between Astoria in Queens and Randalls and Wards Islands in Manhattan.

Hell Gate: Hell Gate is a narrow tidal strait in the East River in New York City in the United States.  It separates Astoria, Queens from Randall's and Wards Islands.

Randalls and Wards Islands: Randalls Island (also called Randall's Island) and Wards Island are conjoined islands, collectively called Randalls and Wards Islands, in the New York City borough of Manhattan, separated from Manhattan by the Harlem River, from Queens by the East River and Hell Gate, and from the Bronx by the Bronx Kill.  The two islands were formerly separate, with the channel between them, Little Hell Gate, being filled in by the early 1960s.

Supporting paragraphs: Hell Gate Astoria, Queens
Answer: 78,793