Question: The Broadmeadows railway station is situated on the boundary of Elizabeth North and a suburb that was formed as part of a merger in what year?

full_context: Document 1: Davoren Park, South Australia: Davoren Park is a suburb at the northern extent of the Adelaide metropolitan area, South Australia in the City of Playford. The suburb was formed as part of a merger between Elizabeth Field and the northern part of Elizabeth West on 11 November 1993. It is named after the Davoren family, who were early pioneers of the area.
Document 2: Broadmeadows railway station, Melbourne: Broadmeadows railway station is located on the Craigieburn line in Victoria, Australia. It serves the northern Melbourne suburb of Broadmeadows, and opened on 1 February 1873.
Document 3: Outer Harbor railway line: The Outer Harbor railway line is a suburban branch line in Adelaide, South Australia. It runs from Adelaide station through the north western suburbs to Port Adelaide and Outer Harbor. It is 21.9 kilometres in length, and shares part of its run with the Grange line. It is operated by Adelaide Metro.
Document 4: Torrens Park railway station: Torrens Park railway station is located on the Belair line in suburban Adelaide in South Australia. Located 9.3 kilometres from Adelaide station, it serves the inner southern suburb of Torrens Park.
Document 5: Showground Central railway station: Showground Central railway station was a temporary station in the inner southern Adelaide suburb of Wayville, located 4.4 kilometres from Adelaide station. The station was only used during the Royal Adelaide Show in early September each year.
Document 6: Clovelly Park, South Australia: Clovelly Park is an inner southern suburb of Adelaide in the local government area of the City of Marion. Before becoming an 'advanced' suburb, it was a farm and vineyard. It has a population of around 2,700. The borders are defined by Daws Road to the north, South Road to the east, Sturt Road to the south, and a combination of Percy Avenue and the Tonsley railway line to the west. It is situated approximately 20 minutes from the CBD, and about 2 minutes from Flinders University, Flinders Medical Centre and Westfield Marion.
Document 7: Marion railway station: Marion railway station is located on the Seaford line. Situated in the south-western Adelaide suburb of Marion, it is 11.4 kilometres from Adelaide station.
Document 8: Broadmeadows railway station, Adelaide: Broadmeadows railway station is located on the Gawler Central line. Situated on the boundary between the northern Adelaide suburbs of Davoren Park and Elizabeth North, and is located 28.2 km from Adelaide station.
Document 9: Elizabeth North, South Australia: Elizabeth North is a northern suburb of Adelaide, South Australia in the City of Playford. It is sandwiched between Main North Road to the east and the Gawler railway line to its west immediately north of Elizabeth and south of Smithfield. It is served by the Womma and Broadmeadows railway stations.
Document 10: Daw Park, South Australia: Daw Park is an inner southern suburb of Adelaide, Australia, in the local government area of the City of Mitcham. The suburb is divided into two parts, with a smaller exclave separated from the larger southern part by a section of Colonel Light Gardens. This smaller exclave is surrounded by the suburbs of Colonel Light Gardens to the south and east, Cumberland Park to the north and Melrose Park to the west. The southern exclave is surrounded by Pasadena to the south, Melrose Park to the west, Colonel Light Gardens to the north and east. Daw Park is part of the South Australian House of Assembly electoral district of Elder and the House of Representatives Division of Boothby.
Document 11: Westbourne Park, South Australia: Westbourne Park is an inner southern suburb of the State capital of South Australia, Adelaide. The suburb was named after Westbourne, a village in Sussex, England, and was laid out in 1881.
Document 12: Mitchell Park, South Australia: Mitchell Park is a suburb south of Adelaide. It shares common boundaries with Marion, Bedford Park, Clovelly Park, and Ascot Park. In recent years it has undergone major redevelopments through a program of urban renewal which included the renovation of many properties owned by the former South Australian Housing Trust. These projects have won many awards.
Document 13: Womma railway station: Womma railway station is located on the Gawler Central line. Situated in the northern Adelaide suburb of Elizabeth North, it is 27.3 km from Adelaide station.
Document 14: City of Playford: The City of Playford is a local government area of South Australia in Adelaide's northern suburbs. The name 'Playford' comes from the recognition of Sir Thomas Playford, who played a part in the development of the area, and was South Australia's premier from 1938-1965. The City covers an area of 346 km, and is home to approximately 88,000 residents. Playford is the fastest growing local government area in South Australia. s of 2016 the city motto is: "a great place to live, work and play".
Document 15: Electoral district of Davenport: Davenport is an electoral district of the House of Assembly in the Australian state of South Australia. It is named after nineteenth-century pioneer and politician Sir Samuel Davenport. Davenport is a 49.1 km² electorate covering part of outer suburban Adelaide and the southern foothills of the Adelaide Hills. It takes in the suburbs of Bedford Park, Bellevue Heights, Blackwood, Craigburn Farm, Coromandel Valley, Eden Hills, Flagstaff Hill, Glenalta and Hawthorndene, as well as parts of Belair, Darlington, O'Halloran Hill and Upper Sturt.
ground_truth: 1993