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?

Context paragraphs:
V. O. C. Nagar railway station: V. O. C. Nagar railway station is one of the railway station if the Chennai Central–Gummidipoondi section of the Chennai Suburban Railway.  It was previously known as Tondiarpet Marshalling Yard railway station.  It serves the neighbourhood of Tondiarpet, a suburb of Chennai, and is located 6 km north of Chennai Central railway station.  It has an elevation of 5 m above sea level.

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.

New Delhi railway station: The New Delhi Railway Station (station code NDLS), situated between Ajmeri Gate and Paharganj is the main railway station in Delhi.  It is the fourth busiest Railway Station in the country in terms of frequency of trains after Kanpur Central, Vijayawada Junction and Delhi Junction and most busiest Railway station in India in terms of passenger movement.  Around 185 trains starts, ends, or passes through the station daily and handles 500,000 passengers daily with 16 platforms.  The New Delhi railway station holds the record for the largest route interlocking system in the world along with the Kanpur Central Railway Station i.e. 48.  The station is about two kilometres north of Connaught Place, in central Delhi.

Basel Badischer Bahnhof: Basel Badischer Bahnhof (literally "Basel Baden Railway station", the name referring to the Grand Duchy of Baden State Railways, which built the station) is a railway station situated in the Swiss city of Basel.  The station is situated on Swiss soil, but the station is operated by the German railway company Deutsche Bahn.  A customs border is situated in the passenger tunnel between the tracks and the station hall.  It is the only railway station that is operated as part of the German national rail network yet not located within Germany's state boundaries, and it is listed as a Swiss heritage site of national significance.  The station is served by the lines RE , RB , S 6 of the tri-national Regio S-Bahn Basel, and ICE and EC/IC lines to and from Freiburg, Karlsruhe, Mannheim, Frankfurt, Hamburg, Berlin and other cities in Germany.

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.

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.

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.

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.

Caister-on-Sea railway station: Caister-on-Sea railway station is a former railway station in Norfolk, England.  It was opened in 1877.  It later became part of the Midland and Great Northern Joint Railway route from Birmingham to Great Yarmouth, predominantly used by holidaymakers.  The station was a few miles north of the terminus at Yarmouth Beach railway station.  The station closed with the rest of the line in 1959.  Today Caister-on-Sea is without a railway station, the nearest being at Great Yarmouth railway station.

Adapazarı railway station: Adapazarı Central Station is the main terminal railway station in the city of Adapazarı.  It is the eastern terminus of the Haydarpaşa-Adapazarı Regional, the most heavily used rail service line in Turkey and second most in service frequency.  The station is located directly in the city center.  The other two stations serving Adapazarı are Mithatpaşa railway station, located in southwestern Adapazarı and Arifye railway station, located in Adapazarı's southern suburb.  The station is situated on the north end of the Adapazarı Branch, which connects to the Istanbul––Ankara Main Line at Arifye.

Supporting paragraphs: Broadmeadows railway station, Adelaide Davoren Park, South Australia
Answer: 1993