Question: What American development company, known for developing Walt Disney World, also designed the master planned community that Bobby Kent was murdered in?

Context paragraphs:
San Joaquin Hills (Laguna Niguel, California): San Joaquin Hills is an affluent guard gated master planned community in the city of Laguna Niguel, California in the San Joaquin Hills of Orange County, California.  The community is set in the northernmost foothills of the city of Laguna Niguel, and construction began in 1997 after a 1994 approval from the city council to construct the development.  It is composed of four notable community subdivisions, or enclaves of smaller subdivisional units.  Each neighborhood within San Joaquin Hills has about 250 homes within its limits, and parks, as well as a community recreation and pool.  There are a total of 910 homes in the development, and an estimated population of around 2,750 residents.  It maintains its own Community Association, which maintains all the community centers and pools, as well as the landscaping.  There are two entrances into the development from two separate gates.  Its general boundaries begin at the Moulton Parkway and Aliso Creek Road intersection.

Walt Disney World Dolphin: The Walt Disney World Dolphin is a resort hotel designed by architect Michael Graves located between Epcot and Disney's Hollywood Studios in the Walt Disney World Resort in Bay Lake, Florida, next to Disney's BoardWalk Resort area.  It opened on June 1, 1990 and is joined to its sister hotel, the Walt Disney World Swan (also designed by Graves) by a palm-tree lined covered walkway crossing a lagoon.  The Walt Disney World Swan and Dolphin is a joint venture between the Walt Disney Company, Tishman Hotel Corporation, MetLife and Starwood Hotels and Resorts.  The land the resort occupies is owned by the Walt Disney Company, while the buildings themselves are leased by Disney to the Tishman Hotel Corporation and MetLife but operated by Starwood Hotels & Resorts Worldwide under the Sheraton Hotels brand.  The Walt Disney World Swan and Dolphin are a part of the Walt Disney Collection of resorts; because of this they are Disney branded and guests of the resort have access to special Disney benefits available to Disney Resort Hotel guests only.

Genstar Development Company: Genstar Development Company (Canada) is a real estate development company that creates master planned communities throughout Canada.  Genstar has a history dating back over 50 years developing thousands of acres into some of the most recognized communities across Canada.  Today, Genstar has active projects in Calgary, Edmonton and Winnipeg.

Walt Disney World Company: Walt Disney World Company was created in 1967 as the company that initially owned and operated Walt Disney World near Orlando, Florida.  The resort opened in 1971 and the land was owned by Walt Disney World Company, Walt Disney Travel Company, and Walt Disney World Hospitality and Recreation Corporation.  In 2009 the name was changed to Walt Disney Parks and Resorts division of The Walt Disney Company.

Walt Disney World Swan: The Walt Disney World Swan is a resort hotel designed by architect Michael Graves located between Epcot and Disney's Hollywood Studios behind Disney's BoardWalk Resort and across from its sister resort, the Walt Disney World Dolphin.  The Swan, which opened January 13, 1990 on Disney property, is a joint venture between the Walt Disney Company, Tishman Hotel Corporation, MetLife and Starwood Hotels and Resorts.  The land the resort occupies is owned by the Walt Disney Company, while the buildings themselves are leased by Disney to the Tishman Hotel Corporation and MetLife and operated by Starwood Hotels & Resorts Worldwide under the Westin brand.  The Walt Disney World Swan and Dolphin are a part of the Walt Disney Collection of resorts, because of this they are Disney branded and guests of the resort have access to special Disney benefits available to Disney Resort Hotel guests only.

Disney Development Company: The Disney Development Company was a fully owned subsidiary of the Walt Disney Company, incorporated in Florida.  Its primary role has been in the design and construction of certain resort and shopping areas within the Walt Disney World Resort, and the development of the planned community, Celebration, FL.  In May 1996, the Disney Development Company merged with Walt Disney Imagineering to form a single entity.

Murder of Bobby Kent: Bobby Kent (May 12, 1973 – July 14, 1993) was an American man who was murdered by seven people, including his best friend, Martin Joseph "Marty" Puccio, Jr. (born March 21, 1973) in Weston, Florida.

Forest Lake, Queensland: Forest Lake was the first Master Planned Community within the municipality of Brisbane, Queensland.  It has won numerous awards for its design and had a population of 20,900 residents, as of February 2006.  Delfin, the developer of Forest Lake, was absorbed into Lend Lease in 2001.  Now operating as Delfin Lend Lease, they are developing the adjacent Springfield Lakes Master Planned Community.

Weston, Florida: Weston is a master planned suburban community in Broward County, Florida, United States.  Established as a city in 1996, much of the community was developed by Arvida/JMB Realty (known for developing Walt Disney World) and is located near the western developmental boundary of Broward County.  It is the most western city in Broward County, and its entire west side is next to the Everglades.  As of the 2010 census, the city had a total population of 65,333.  Weston is a principal city of the Miami metropolitan area, which was home to an estimated 6,012,331 people at the 2015 census.

Preservation development: Preservation development is a model of real-estate development that addresses farmland preservation.  It shares many attributes with conservation development, with the addition of strategies for maintaining and operating productive agriculture and silviculture, often in perpetuity.  A preservation development is a master planned community that allows limited, carefully designed development (typically housing) on a working farm, while placing the majority of productive land under a system of easements and community governance to ensure a continuity of farming and environmental stewardship.

Supporting paragraphs: Murder of Bobby Kent Weston, Florida
Answer: Arvida/JMB Realty