Question: In Morphett, South Australia, which Gulf St. Vincent bay bounds the district to the west?
Context: Apalachicola Bay is an estuary and lagoon located on the northwest coast of the U.S. state of Florida.  The Apalachicola Bay system also includes St. George Sound, St. Vincent Sound and East Bay, covering an area of about 208 sqmi .  Four islands St. Vincent Island to the west, Cape St. George Island and St. George Island to the south, and Dog Island to the east separate the system from the Gulf of Mexico.  Water exchange occurs through Indian Pass, West Pass, East Pass and the Duer Channel.  The lagoon has been designated as a National Estuarine Research Reserve and the Apalachicola River is the largest source of freshwater to the estuary.  Combined with the Chattahoochee River, Flint River, and Ochlockonee River they drain a watershed of over 20000 sqmi at a rate of 19599 cuft per second according to the United States Geological Survey in 2002. The Holdfast Bay is a small bay in Gulf St Vincent, next to Adelaide, South Australia.  Along its shores lie the City of Holdfast Bay and the popular beach-side suburb of Glenelg. St. Vincent Bay was a cannery town on the South Coast of British Columbia, Canada, located on the northwest bank of Jervis Inlet near Hotham Sound, and just northeast of the Saltery Bay ferry terminal on the upper Sunshine Coast, and opposite the mouth of Sechelt Inlet. Morphett is an electoral district of the House of Assembly in the state of South Australia.  The seat is located 10 kilometres west of the centre of Adelaide, bounded by the Holdfast Bay coastline on the west and Morphett Road to the east.  It is approximately 15.6 square kilometres in size, and is based on the suburb of Glenelg.  It also includes Glenelg North, Glenelg East, Glenelg South, Glengowrie, Morphettville, West Beach and parts of Somerton Park. Saint Vincent Catholic Medical Centers (Saint Vincent's, or SVCMC) was a healthcare system, anchored by its flagship hospital, St. Vincent's Hospital Manhattan, locally referred to as "St. Vincent's".  St. Vincent's was founded in 1849 and was a major teaching hospital in the Greenwich Village neighborhood of Manhattan, New York City.  It closed on April 30, 2010 under circumstances that triggered an investigation by the District Attorney of Manhattan.  Demolition began at the end of 2012 and was completed in early 2013.  Other hospital buildings are being converted into luxury condos and a new luxury building, Greenwich Lane, will replace the St. Vincent's building. Greco Island is a wetland in Redwood City, California.  Greco Island is part of the larger Don Edwards San Francisco Bay National Wildlife Refuge.  Westpoint Slough follows the South side of the island while Redwood Creek is along the West.  The San Francisco Bay bounds the North and East sides of the island. Spesutie Island is a 1500 acre island located in the Chesapeake Bay in Harford County, Maryland, United States.  It lies 5.5 mi southeast of Aberdeen, Maryland.  Spesutie Narrows bounds the island on the west and the bay bounds it on the north, east, and south.  The island is part of Aberdeen Proving Ground. St. Vincent Island is the westernmost of 4 barrier islands in the northwestern Florida Gulf coast which include Cape St. George Island, St. George Island and Dog Island.  St. Vincent Island is located just offshore in Franklin County, Florida south southeast of Cape San Blas and north of Cape St. George Island close to the mouth of the Apalachicola River and the town of Apalachicola on the Florida Panhandle. St. Vincent Bay or Saint Vincent Bay may refer to: Shag Island is a low island located at the mouth of Fisherman's Bay in Spencer Gulf, South Australia.  It is approximately 22 ha (54 acres) in size with a peak elevation of approximately 4 metres (13 feet).  It is uninhabited by humans but is home to thousands of cormorants which roost and breed there.  It is also an important nursery-ground for fish.  In April 2013, the discovery of several sick and dead cormorants near Fisherman's Bay raised public concerns for the health of the Shag Island colony.  The discovery coincided with significant fish and dolphin mortality events around the state, mostly concentrated in Spencer Gulf and Gulf St. Vincent.
Answer: Holdfast Bay