Question: Abubakar Aliyu Ibrahim, is a Nigerian football player for IK Start, a Norwegian football club from the town of Kristiansand, currently playing in Tippeligaen, having been promoted from Adeccoligaen, in what year?

Context paragraphs:
Tapio Heikkilä: Tapio Heikkilä (born 4 August 1990) is a Finnish football player currently playing for Norwegian Tippeligaen side IK Start.

FK Haugesund: Fotballklubben Haugesund is a Norwegian football club from the city of Haugesund.  It was founded on October 28, 1993, after a merger between the football clubs Djerv 1919 and SK Haugar.  FK Haugesund played in Tippeligaen in 1997, 1998, 2000, 2010, 2011, 2012 and in 2013.  In 2007, FK Haugesund reached the Norwegian cup final, where they lost 0–2 to Lillestrøm.  They got promoted back to Tippeligaen by winning Adeccoligaen 2009.

Skeid Fotball: Skeid Fotball is a Norwegian football club and is located in the capital Oslo.  Its current home field is Nordre Åsen, after the club stopped playing at Bislett after the 2012 season.  In past decades it has gained a reputation as a talent factory for the larger clubs in Norwegian football, and it has produced several players for the national team such as Daniel Braaten, Daniel Fredheim Holm, Omar Elabdellaoui and Mohammed Abdellaoue.  Other notable players include Paul Miller.  Skeid played in Adeccoligaen in 2009 after a short stint in the second division.  They finished champions of the Second Group of Norwegian Second Division in 2008.  However, Skeid relegated again to Second Division at end of 2009 season in 16th and last position despite a good start.

Abubakar Aliyu Ibrahim: Abubakar Aliyu Ibrahim (born 18 November 1994) is a Nigerian football player for IK Start.

Sør Arena: Sparebanken Sør Arena ("Savings Bank South Arena") is a football stadium located at Torsvika in Kristiansand, Norway.  The all-seater has a capacity of 14,563 people, and serves as the home ground of Tippeligaen side IK Start.  It was designed by Kjell Kosberg, and is architecturally similar to Aker Stadion.  The venue has seen concerts by Elton John, Dolly Parton and A-ha, among others.  The name derives from a sponsorship agreement with Sparebanken Sør.  UEFA refers to the stadium as Kristiansand Arena.

IK Start: IK Start is a Norwegian football club from the town of Kristiansand, currently playing in Tippeligaen having been promoted from Adeccoligaen in 2012.  The club was founded on 19 September 1905.  The coach is Steinar Pedersen.  The team plays in yellow jerseys, black shorts and yellow socks at home, and blue jerseys, white shorts and blue socks away.

Nasiru Aliyu: Abubakar Aliyu Nasiru (born October 20, 1990) is a Nigerian football player currently with Kwara United F.C. of Ilorin.

2013 IK Start season: The Norwegian football club IK Start returned to the top league Tippeligaen for the 2013 season.  It was their second full season with Mons Ivar Mjelde as manager, and they finished the season in 9th place.  They also took part in the Norwegian Cup, reaching the quarter-finals stage before being beaten by Lillestrøm.

2013 Tromsø IL season: The 2013 season was Tromsø's 11th consecutive year in Tippeligaen, and their 27th season in the top flight of Norwegian football, a run that came to an end as they were relegated to the Adeccoligaen after finishing 15th.  They also participated in the 2013 Norwegian Football Cup, reaching the Fourth Round before defeat to Rosenborg.  They also played in the 2013–14 UEFA Europa League, reaching the Group Stage before finishing bottom behind Tottenham Hotspur, Anzhi Makhachkala and Sheriff Tiraspol.  It was their first season under the management of Agnar Christensen, but he was replaced by Steinar Nilsen on 1 October 2013.

Sarpsborg 08 FF: Sarpsborg 08 Fotballforening, commonly known as Sarpsborg 08 or simply Sarpsborg, is a Norwegian football club based in Sarpsborg, currently playing in Tippeligaen.  Sarpsborg 08 played in Adeccoligaen from 2005 to 2010.  In 2010, the club was promoted to the Tippeligaen, the top league in Norway, but finished last and was relegated back to Adeccoligaen in 2011.  In 2012, they were promoted again.  They play their home games at Sarpsborg Stadion.

Supporting paragraphs: Abubakar Aliyu Ibrahim IK Start
Answer: 2012