Question: In Australia, a cattle station is a large farm (station, the equivalent of an American ranch), whose main activity is the rearing of cattle; the owner of a cattle station is called a "grazier", the largest cattle station in the world is  located in the Australian state of South Australia, and is called what?
Context: Newcastle Waters is a small settlement off the Stuart Highway in the Northern Territory.  Newcastle is virtually uninhabited.  The nearest petrol station and accommodation is found 23 km south at Elliott.  It is inside Newcastle Waters Station, a large cattle station with over 40,000 head of cattle. Murnpeowie or Murnpeowie Station is a pastoral lease in outback South Australia.  The pastoral lease once operated as a sheep station but now operates as a cattle station.  The land occupying the extent of the pastoral lease was gazetted as a locality by the Government of South Australia on 26 April 2013 with the name 'Murnpeowie'. Anna Creek Station is the world's largest working cattle station.  It is located in the Australian state of South Australia. Balfour Downs Station is a pastoral lease and cattle station located approximately 132 km northeast of Newman, 88 km east of Roy Hill and 108 km southeast of Nullagine in the Pilbara region of Western Australia.  At 6395 km2 , it is among the largest cattle stations in Australia. El Questro Wilderness Park is a wilderness park on El Questro Station, a cattle station that diversified its pastoral operation to include tourism, located in the Kimberley region of Western Australia.  It remains a working cattle station with a herd of approximately 6,000 head.  In 2012 the pastoral station lessee was GPT Funds Management Pty Ltd.  El Questro station operates under Crown Lease number CL207-1984 and has Land Act number LA3114/1180. Etadunna is a pastoral lease in the Australian state of South Australia located in the gazetted locality of Etadunna and which is operating as a cattle station. A jackaroo is a young man (feminine equivalent jillaroo) working on a sheep or cattle station, to gain practical experience in the skills needed to become an owner, overseer, manager, etc.  The word originated in Queensland, Australia in the 19th century and is still in use in Australia and New Zealand in the 21st century.  Its origins are unclear, although it is firmly rooted in Australian English, Australian culture and in the traditions of the Australian stockmen. Terawhiti Station is one of New Zealand's oldest and largest sheep stations, located along the south coast of Wellington.  Terawhiti Station has seen a diverse range of land uses over the past 160 years.  Originally a cattle station, Terawhiti grew into one of New Zealand's largest sheep stations before returning to cattle in 1993.  The station originally consisted of the upraised marine terrace at Tongue Point on Wellington's south coast and was purchased by two Wellington businessmen Samuel Revans and William Mein Smith following the sale of Crown 'waste lands'.  Captain William Barnard Rhodes later bought Revans’s land at Tongue Point stocking it with shorthorn cattle.  His young manager, James McMenamen (known as Terawhiti Jack), later bought the Tongue Point farm and neighbouring blocks, forming Terawhiti Station and (later) Te Kamaru Station (at Te Ika a maru Bay). Innamincka Station often just called Innamincka is a pastoral lease in the Australian state of South Australia which operates as a cattle station. In Australia, a cattle station is a large farm (station, the equivalent of an American ranch), whose main activity is the rearing of cattle; the owner of a cattle station is called a "grazier".  The largest cattle station in the world is Anna Creek Station in South Australia, Australia.
Answer: Anna Creek Station