Question: How many acres is the body of water that is also the name of a neighborhood where the main subjects lived in Grey Gardens?

Context paragraphs:
Grey Gardens: Grey Gardens is a 1975 American documentary film by Albert and David Maysles.  The film depicts the everyday lives of two reclusive, formerly upper class women, a mother and daughter both named Edith Beale, who lived in poverty at Grey Gardens, a derelict mansion at 3 West End Road in the wealthy Georgica Pond neighborhood of East Hampton, New York.  The film was screened at the 1976 Cannes Film Festival but was not entered into the main competition.

Sharp Mountain Preserve, Georgia: The Preserve at Sharp Mountain (also called The Sharp Mountain Preserve) is a nature-based community located near Jasper, Georgia in Pickens County.  It is one of three mountain communities in Pickens County, and the only one dedicated to maintaining its natural amenities.  There are 12 mi of paved roads running through the community, but the population density is intentionally low (approximately 300 lots over 1600 acre ranging in size from a minimum of 3 acre to a maximum of 37 acres.)  The Preserve at Sharp Mountain was named the "Best Community for Outdoor Lovers" by Pinnacle Living magazine, Unlike many planned communities, the Preserve at Sharp Mountain does not have swimming pools and tennis courts with club houses or golf courses.  Instead, the Preserve at Sharp Mountain offers many acres of green space, hiking and nature trails, a nature pavilion, waterfalls, a bird sanctuary, a butterfly garden and various nature parks.  The community is gated to restrict use of its 12 mi of privately owned roads to those living in the community.  The Preserve at Sharp Mountain was developed by Four Seasons originally, which later became Naterra Land.  Naterra's stated goal in all of its projects is "to better connect people with nature."  Naterra Land sold out all of its inventory in the Preserve, and control of the community is now governed by a Property Owners' Association (POA).  In 2011, the Preserve Association switched from being an HOA (Home Owners' Association) to being a POA (Property Owners' Association), each being viewed differently under Georgia law.  In 2008 the Preserve became a recognized member of the national Firewise communities program and is one of the 13 in Georgia.

Ginter Park: Ginter Park is a suburb neighborhood of Richmond, Virginia built on land owned and developed by Lewis Ginter.  The neighborhood's first well known resident was newspaperman Joseph Bryan, who lived in Laburnum, first built in 1883 and later rebuilt .  In 1895, many acres of land north of Richmond were purchased by Ginter in order to develop into neighborhoods.  Ginter Park and other neighborhoods were developed from this initial land purchase.  In Ginter Park are Union Theological Seminary & Presbyterian School of Christian Education and as well as Pollard Park.

Mahathma Gandhi College, Iritty: Mahathma Gandhi College, Iritty is one of the educational institutes in Iritty.  It operates under The Cooperative Education Society Of Iritty, Kerala, an autonomous body under the Government Of Kerala.  It is affiliated to Kannur University.  The college offers bachelor's degrees in three main subjects: commerce, physics, computer science and mathematics.  It also offers a post-graduate course in Mathematics.

Georgica Pond: Georgica Pond is a 290 acre coastal lagoon on the west border of East Hampton Village and Wainscott, and was the site of a Summer White House of Bill Clinton in 1998 and 1999.

Mai Thứ: Mai Trung Thứ (An Dương, 1906-Clichy-la-Garenne, 10 October 1980), or Mai Thứ, was a Vietnamese-French painter.  He was one of the graduates of the 1st (1925 - 1930) entering class of the École des Beaux-Arts de l'Indochine in Hanoi.  He lived and worked mostly in France.  His main subjects were women, children and daily life, incorporating some traditional Vietnamese conceptions about fine arts and folk arts.  All his work, apart from a few oil paintings, is silk painting with gouache, by rubbing and colours applied as solids.

Entertainment rigging: Entertainment rigging.  Rigging in the entertainment world can be broken down into two main subjects - theatrical rigging and arena Rigging.  All the same skills apply in both genres.  One takes place in a theater, the other in an arena or "exposed structure venue" such as a convention center, ballroom, warehouse etc.  Many arena riggers find themselves hanging a full proscenium theater in an arena environment.

Grey Gardens (estate): Grey Gardens is a 28-room house at 3 West End Road and Lily Pond Lane in the Georgica Pond neighborhood of East Hampton, New York.  The lives of its residents were chronicled in the "Grey Gardens" 1975 documentary, 2006 Broadway musical, 2009 television movie, and numerous other books and documentaries.

Spring Hill Nurseries: Spring Hill Nurseries is a mail-order garden center based in Tipp City, Ohio.  Founded in 1849, Spring Hill Nurseries is one of the oldest gardening companies in the United States.  The company specializes in garden plants, garden designs, perennials, shrubs, ground covers and gardening supplies.  Spring Hill distributes catalogs nationwide and maintains a substantial presence online.  One of the largest companies in the gardening industry, Spring Hill Nurseries’ headquarters features many acres of greenhouses and trial gardens.

Wasque: Wasque ("way-squee") or Wasque Beach is a 200 acre nature reserve on Chappaquiddick Island, Martha's Vineyard, Massachusetts.  The site was established as a reservation for the public in 1967 and is one of five conservation areas on "the Vineyard" managed by the Trustees of Reservations.  Wasque contains a sandy strand the "Boston Globe" calls "a magnificent beach." " Travel + Leisure" named Wasque Beach the number one beach in New England and WHDH-TV reports "It's pristine, serene, and rain or shine, it's a beach-goers' delight."  Off the shore of Wasque Beach is Katama Bay, "a vast and pristine salt water bay that includes many acres of productive shellfish beds."

Supporting paragraphs: Grey Gardens Georgica Pond
Answer: 290