Question: Which Serbain footballer had a major role in the dramatic ending of the 2015 Belgian Cup Final?

Context paragraphs:
2014 Belgian Cup Final: The 2014 Belgian Cup Final, named Cofidis Cup after the sponsor, was the 60th Belgian Cup final and took place on 22 March 2014 between Lokeren and Zulte Waregem.  It was won by Lokeren with the only goal coming from Alexander Scholz.  For Lokeren it was their second cup win in three years.

1994 Belgian Cup Final: The 1994 Belgian Cup Final, took place on 22 May 1994 between Anderlecht and Club Brugge.  It was the 39th Belgian Cup final and was the second final in which Club Brugge and Anderlecht met each other, with the 1977 Belgian Cup Final won by Club Brugge.  Anderlecht won the match this time, with 2-0.

2016 Belgian Super Cup: The 2016 Belgian Super Cup was a football match that took take place on 23 July 2016, between the 2015–16 Belgian Pro League winners Club Brugge and Standard Liège, the winners of the 2015–16 Belgian Cup.  Club Brugge played their 17th Super Cup and featured in their second consecutive Super Cup after losing the 2015 Belgian Super Cup to Gent, while Standard Liège played their 8th Belgian Super Cup after last appearing in 2011 when they lost to Genk.  Although together both teams have already played 23 times the Belgian Super Cup, they have never met each other in this competition.  Standard Liège last success in the competition dates from a 2-0 win in 2009, against Genk, while Club Brugge last won in 2005 against the now defunct team Germinal Beerschot.  The match was however a replay of the 2016 Belgian Cup Final, won by Standard Liège in March 2016.

2015 Belgian Cup Final: The 2015 Belgian Cup Final, named Cofidis Cup after the sponsor, was the 61st Belgian Cup final and took place on 22 March 2015 between Club Brugge and Anderlecht.  It was the first time the two giants of Belgian football met in the final since the 1993–94 Belgian Cup.  The match finished in a dramatic way as Anderlecht looked to have taken the game to overtime through a last minute equalizer by Aleksandar Mitrović, cancelling out the earlier goal by Tom De Sutter, however in added time Lior Refaelov struck goal from outside the penalty area.

2015 Belgian Super Cup: The 2015 Belgian Super Cup was a football match that was played on 16 July 2015, between Gent, the winners of the 2014–15 Belgian Pro League and 2014–15 Belgian Cup winners Club Brugge.  Gent won 1–0, winning the Super Cup for the first time.

Aleksandar Mitrović (footballer): Aleksandar Mitrović (Serbian Cyrillic: Александар Митровић; born 16 September 1994) is a Serbian professional footballer who plays as a striker for Premier League club Newcastle United and the Serbia national team.  At the age of 18, Mitrović was named among the top 10 talents under the age of 19 in Europe by a selection of UEFA reporters.

2009 Belgian Cup Final: The 2009 Belgian Cup Final, named Cofidis Cup after the sponsor, was played on Saturday, 23 May 2009 between Genk and KV Mechelen and won by Genk with 2–0.  It was the 54th Belgian Cup Final.

1998 Belgian Cup Final: The 1998 Belgian Cup Final, took place on 16 May 1998 between Genk and Club Brugge.  It was the 43rd Belgian Cup final.  Genk played their first Cup final ever and took a convincing victory, by four goals to nil.

2016 Belgian Cup Final: The 2016 Belgian Cup Final, named Croky Cup after the sponsor, was the 62nd Belgian Cup final and took place on 20 March 2016 between Club Brugge and Standard Liège.  It was the first time the two teams met in the final since the 2006–07 Belgian Cup Final.  Standard Liège won the match by 2 goals to 1, with the final goal coming two minutes from time.

2017 Belgian Cup Final: The 2017 Belgian Cup Final, named Croky Cup after the sponsor, was the 63rd Belgian Cup final and took place on 18 March 2017 between Oostende and Zulte Waregem.  Oostende qualified for the final for the first time in its history, while Zulte Waregem already played two finals, winning against Mouscron in 2006 but losing against Lokeren in 2014.  In a spectacular match, Oostende twice took the lead but Zulte Waregem returned to force 2–2 after 90 minutes.  During the extra-time, both teams scored once more.  Zulte Waregem finally won 4–2 on penalties and thereby qualified for the 2017–18 UEFA Europa League Group stage.

Supporting paragraphs: 2015 Belgian Cup Final Aleksandar Mitrović (footballer)
Answer: Aleksandar Mitrović