Question: What controversial scheme for a planned community was in Garden Island?

Context paragraphs:
The Garden Island: The Garden Island is a daily newspaper based in Lihue, Hawaii, covering the islands of Kauai and Niihau.  "The Garden Island" began publication on 1902.  It was formerly owned by Scripps League Newspapers, which was acquired by Pulitzer in 1996; Lee Enterprises acquired Pulitzer in 2005.  Oahu Publications Inc., publisher of the "Honolulu Star-Advertiser", acquired "The Garden Island" newspaper from Lee Enterprises in January 2013.

HMAS Stirling: HMAS "Stirling" is a Royal Australian Navy (RAN) base that is part of fleet Base West situated on the west coast of Australia.  The base is located on Garden Island in the state of Western Australia, near the city of Perth.  Garden Island also has its own military airport on the island (ICAO: YGAD) .  HMAS "Stirling" is currently under the command of Captain Brian Delamont, RAN.

Garden Island (South Australia): Garden Island is an island in the Australian state of South Australia located about 14 km north-west of the capital city of Adelaide in an estuary system within the Adelaide metropolitan area which drains into Gulf St Vincent.  It is notable as being a site for a mangrove forest, a landfill, a part of the site for the Multifunction Polis, a ship graveyard and a venue for recreational boating activities.  It has enjoyed protected area status since 1973.

Multifunction Polis: The Multifunction Polis (MFP) was a controversial scheme for a planned community in Australia proposed in 1987 and abandoned in 1998.  From the Greek word "polis", meaning "city", it was imagined as a place where work and leisure, lifetime education and intercultural exchange, research and manufacturing would be uniquely integrated.

Barker Inlet: The Barker Inlet is a tidal inlet of the Gulf St Vincent in Adelaide, South Australia, named after Captain Collet Barker who first sighted it in 1831.  It contains one of the southernmost mangrove forests in the world, a dolphin sanctuary, seagrass meadows and is an important fish and shellfish breeding ground.  The inlet separates Torrens Island and Garden Island from the mainland to the East and is characterized by a network of tidal creeks, artificially deepened channels, and wide mudflats.  The extensive belt of mangroves are bordered by samphire saltmarsh flats and low-lying sand dunes, there are two boardwalks (at Garden Island and St Kilda), and ships graveyards in Broad Creek, Angas Inlet and the North Arm.

Garden Island Naval Chapel: The Naval Chapel at Garden Island dockyard is the oldest Christian chapel of the Royal Australian Navy (RAN).  It was established in 1902 after conversion from the former sail loft, and has stained glass windows and plaques from that era to the present.  The building is the oldest on Garden Island, two storey, built of stuccoed brick with stone sills, arches and columns.  The original loft floor of timber remains, caulked with oakum and bitumen.

Garden Island (Michigan): Garden Island is an uninhabited 4,990 acre (20 km²) island located in the Beaver Island archipelago in northern Lake Michigan.  It is almost wholly owned by the U.S. state of Michigan and is overseen by the Michigan Department of Natural Resources (DNR) as part of the "Beaver Island State Wildlife Research Area".  It is accessible by private boat.  The Native American (Ojibwe language) name for the island is "Minis Gitigaan", which has become "Garden Island" by direct translation.  The Island's Native American cemetery was listed in the National Register of Historic Places in March 1978.

Garden Island ferry wharf: Garden Island ferry wharf is located on the southern side of Sydney Harbour.  It serves the Royal Australian Navy's Heritage Centre, Garden Island.

Hammersmith Park: Hammersmith Park is a public park in the London Borough of Hammersmith and Fulham.  It includes a Japanese Garden, a gated children's play area, a bowling green, and tennis courts.  Despite its name, it is located in Shepherd's Bush, not Hammersmith.  In 2013 planning permission was granted by the Borough to redevelop the sports facilities in a controversial scheme to be run by the privately owned operation Play Football.

Garden Island Indian Cemetery: The Garden Island Indian Cemetery, also designated 20CX12, is an archaeological site and Ojibwe burial site.  located on Garden Island in Charlevoix County, Michigan.  It was listed on the National Register of Historic Places in 1978.

Supporting paragraphs: Garden Island (South Australia) Multifunction Polis
Answer: Multifunction Polis