Question: which match was played between Italian side Juventus and Spanish side Barcelona on 6June 2015?

Context articles: Omar Sívori
2016 Joan Gamper Trophy
2011 Joan Gamper Trophy
2015 Joan Gamper Trophy
MOSiR Stadium (Gdańsk)
2012 Joan Gamper Trophy
2015 UEFA Champions League Final
2014–15 Juventus F.C. season
Olof Mellberg
2017 UEFA Champions League Final

Enrique Omar Sívori (2 October 1935 – 17 February 2005) was an Italian Argentine football player and manager who played as a forward.
 At club level, he is known for his successful time with Italian side Juventus during the late 1950s and early 1960s, where he won three Serie A titles among other trophies; he also played for River Plate in Argentina and Napoli in Italy.
The 2016 Joan Gamper Trophy was the 51st edition of the Joan Gamper Trophy.
 Spanish side and hosts Barcelona faced Italian side Sampdoria at the Camp Nou in Barcelona.
 This marked Sampdoria's third appearance in the Joan Gamper Trophy, after losing on penalties in 1997 and winning 1–0 in 2012.
The 2011 Joan Gamper Trophy was the 46th edition of the Joan Gamper Trophy.
 Spanish side and hosts Barcelona faced Italian side Napoli at the Camp Nou in Barcelona.
The 2015 Joan Gamper Trophy was the 50th edition of the Joan Gamper Trophy.
 Spanish side and hosts Barcelona faced Italian side Roma at the Camp Nou in Barcelona.
 This was Roma's first appearance in the Joan Gamper Trophy.
Stadion MOSiR is a multi-purpose stadium in Gdańsk, Poland.
 The stadium has a capacity for about 12,000 people, however it held 40,000 spectators during a match between Lechia Gdańsk and Italian side Juventus.
The 2012 Joan Gamper Trophy was the 47th edition of the Joan Gamper Trophy.
 Spanish side and hosts Barcelona faced Italian side Sampdoria at the Camp Nou in Barcelona.
 The Genovese club, in their second appearance after 1997, won their first ever Joan Gamper Trophy defeating the Catalans 1-0.
The 2015 UEFA Champions League Final was the final match of the 2014–15 UEFA Champions League, the 60th season of Europe's premier club football tournament organised by UEFA, and the 23rd season since it was renamed from the European Champion Clubs' Cup to the UEFA Champions League.
 It was played at the Olympiastadion in Berlin, Germany, on 6 June 2015, between Italian side Juventus and Spanish side Barcelona.
The 2014–15 season was Juventus Football Club's 117th in existence and eighth consecutive season in the top flight of Italian football.
 It was the club's fourth consecutive Serie A title in which it finished 17 points clear of second place Roma, also achieving The Double as they fell short in the Champions League Final in a 3–1 defeat to Barcelona.
Erik Olof Mellberg (] ; born 3 September 1977 in Amnehärad, Gullspång) is a Swedish former footballer and current manager of IF Brommapojkarna.
 During his career Mellberg played as a central defender or right-back and was described as being "big, strong and exceptional in the air".
 He is best known for playing the majority of his career at Aston Villa as well as spells with Italian side Juventus and Greek side Olympiacos.
The 2017 UEFA Champions League Final was the final match of the 2016–17 UEFA Champions League, the 62nd season of Europe's premier club football tournament organised by UEFA, and the 25th season since it was renamed from the European Champion Clubs' Cup to the UEFA Champions League.
 It was played at the Millennium Stadium in Cardiff, Wales on 3 June 2017, between Italian side Juventus and Spanish side and title holders Real Madrid, in a repeat of the 1998 final.
 Real Madrid won the match 4–1 to secure their 12th title in this competition.
 With this victory, as the defending champions, Real Madrid became the first ever team to successfully defend their title in the Champions League era, and the first to do so since Milan in 1990.
 On the other hand, Juventus lost a fifth final in a row and a seventh in nine finals reached.