question: What first appeared in Colonel William Light’s designed  layout and development programme for the city of Adelaide, South Australia?
answer: South Australia’s oldest cemetery
context: Title: West Terrace Cemetery
  Passage: The West Terrace Cemetery is South Australia’s oldest cemetery, first appearing on Colonel William Light’s 1837 plan of Adelaide.  The 27.6 ha site is located in Park 23 of the Adelaide Park Lands just south-west of the Adelaide city centre, between West Terrace, Anzac Highway, Sir Donald Bradman Drive and the Seaford–Belair Railway Lines.  Originally known as the Adelaide Public Cemetery, it is divided into a number of sections for various communities and faiths, including two Catholic areas, as well as Jewish, Afghan, Islamic and Quaker sections.
  Title: Light Square
  Passage: Light Square also known as Wauwi is one of five squares in the City of Adelaide.  Located in the centre of the north-western quarter of the Adelaide city centre, the Square is named after the city's planner, Colonel William Light.
  Title: Netley, South Australia
  Passage: Netley is a suburb of Adelaide, South Australia, in the City of West Torrens.  It is located about halfway from the Adelaide city centre to the coast, on the southeastern boundary of Adelaide Airport.  The northern part, south of Richmond Road and west of Marion Road is predominantly industrial.  South of Watson Avenue, the suburb is mainly residential in character, including both a kindergarten and retirement village.  The Netley Primary School closed and merged with others to form William Light School for the 1998 school year.
  Title: Light's Vision
  Passage: The first surveyor-general of Adelaide, South Australia, Colonel William Light designed a layout and development programme for the city.  This plan is now known as "Light's Vision".  Notable aspects of Light's plan are that the city centre is laid out in a grid-like pattern, with squares in the centre of the city and in the centres of the four quarters of the city, (NW, NE, SE, SW), and the city is surrounded by Parklands.
  Title: County of Light
  Passage: The County of Light is one of the 49 counties of South Australia.  It was proclaimed by Governor George Grey in the 1840s and named for Colonel William Light, the first Surveyor-General of South Australia.  It covers the modern region of the Barossa Valley including much of the northern Mt Lofty Ranges.  It is bounded by the upper Wakefield River in the north, the approximate path of Horrocks Highway in the west, and the Light River in the south.
  Title: Marion, South Australia
  Passage: Marion is a suburb in the City of Marion in Adelaide around 10 km south-west of the CBD.  Founded as a rural village in 1838 on the banks of the Sturt River, Marion was found to have rich soil and the population expanded rapidly.  Colonel William Light laid out the plan for the village, as he had done with the City of Adelaide itself.
citations: West Terrace Cemetery Light's Vision