Question:  Adelaide Central Plaza is located in a pedestrian street mall that opened in what year ?

Context paragraphs:
Shangxiajiu Pedestrian Street: Shangxiajiu Pedestrian Street (), or simply as Shangxiajiu (), is a commercial pedestrian street in Liwan District, Guangzhou, Guangdong, China.  It is the first business street in Guangzhou opened in September 1995.

Plaza de Armas (Manila): The Plaza de Armas is a public square in Intramuros, Manila.  It is one of two major plazas in Intramuros, the other being the central Plaza de Roma (also called "Plaza de Armas" at one point in its history), and is the central plaza of Fort Santiago.  It is located north of Plaza Moriones (not to be confused with Plaza Moriones in Tondo), a larger plaza outside Fort Santiago which was once a military promenade before it was closed in the 1863 earthquake that devastated Manila.  While Plaza Moriones in Intramuros is outside the walls of Fort Santiago, both plazas are often construed for the other.

Queen Street Mall, Brisbane: The Queen Street Mall is a pedestrian mall located on Queen Street in the centre of Brisbane, Queensland, Australia.  The mall extends approximately 500 m from George Street to Edward Street, and has more than 700 retailers over 40,000 m2 of retail space, which includes six major shopping centres.  It receives over 26 million visitors each year.  It was intended to bring more people into the central business district.

Adelaide Central Plaza: Adelaide Central Plaza is located on Rundle Mall, Adelaide.  Its major tenant is David Jones, and the centre also includes a food court and about 40 retail outlets.  The centre covers a floor space of about 27,784 square metres over five levels.  John Martins used to be the major tenant of the Plaza before David Jones took over.

Rundle Mall: Rundle Mall is a pedestrian street mall located in Adelaide, South Australia.  It was opened as a pedestrian mall in September 1976 by closing the section of Rundle Street between King William Street and Pulteney Street, to vehicular traffic.  The street continues as Rundle Street (as before) to the east and Hindley Street to the west.

Central Plaza Complex: The Central Plaza Complex consists of three commercial office buildings located in the Central Business District of Brisbane, Queensland, Australia.  The complex was constructed in three phases with Central Plaza 1 completed first in 1988, followed by Central Plaza 2 in 1990 and Central Plaza 3 in 2008.  Central Plaza 1 is the tallest of the three buildings, as well as the fifth tallest building in Brisbane.

Rundle Street, Adelaide: Rundle Street is a street in the East End of Adelaide, South Australia.  It runs from Pulteney Street in the west to East Terrace, where it becomes Rundle Road (a separate Rundle Street continues from Rundle Road through Kent Town).  Its former western extent, which ran to King William Street, was closed in 1972 to form the pedestrian street of Rundle Mall.  The street is in proximity to the Adelaide Botanic Gardens, Rymill Park, Hindmarsh Square and North Terrace.

Elizabeth Street Mall: Elizabeth Street Mall is a pedestrian street mall in Hobart, Tasmania.  It is located on Elizabeth Street between Collins Street and Liverpool Street.  It is the largest shopping area in the Hobart city centre.  It is also a busy meeting place and busking area.

Markens gate: Markens gate (English name: Markens street) is the main pedestrian street in Kristiansand, Norway.  It is located in the west of the borough Kvadraturen and the length of the entire street is 1 kilometer, while the pedestrian part is 550 meters and another 160 meters with Otterdalsparken.  The streets goes from Slottet Mall in the north and is a pedestrian street all the way down to Dronningens gate (Dronningens street), it's only crossed by traffic from Tordenskjolds gate, Kristian IVs gate and Henrik Wergelands gate before Dronningens gate.  The pedestrian parts stretches over 7 quarters.  Compared to other Norwegian cities, Markens street is one of the most walked streets in the country.

Chinatown, Brisbane: Chinatown is a precinct in Fortitude Valley, Brisbane, Australia.  It is centered on Chinatown Mall, a pedestrian street which occupies all of Duncan Street.  The Mall runs parallel to Brunswick Street Mall, and connects Wickham Street and Ann Street.  The precinct is the location of Chinese restaurants and shops, and is the venue for events including Chinese New Year and Valley Fiesta.  Street signs in the area are written in both English and Chinese.

Supporting paragraphs: Adelaide Central Plaza Rundle Mall
Answer: 1976