Question: Before the start of the 2012–13 FC Bayern Munich season, the club signed which Croatian professional footballer who plays for an Italian club and for the Croatia national team?

full_context: Document 1: Ivica Olić: Ivica Olić (] ; born 14 September 1979) is a retired Croatian professional footballer. During his career, he played for German Bundesliga clubs such as Hamburger SV, VfL Wolfsburg, and Bayern Munich and also for the Croatia national team. Olić primarily plays as a striker but can also operate as a winger. He has been described as a relentless pursuer of the ball and possessing "power and a decent bit of pace with him". Former Croatia manager Slaven Bilić described him as a typical "match-winner" and "king of important matches" due to his ability to score in important matches against big opponents.
Document 2: 2007–08 FC Bayern Munich season: Prior to the beginning of the 2007–08 season, Bayern Munich underwent a major restructuring of the team, releasing or retiring nine players while adding ten others to the squad, most notably Luca Toni and Franck Ribéry. The season started with Bayern winning the DFB-Ligapokal, followed by a shootout win in the DFB-Pokal against Wacker Burghausen on 6 August 2007. On the first day of the 2007–08 Bundesliga season, Bayern achieved a 3–0 victory over Hansa Rostock. As the season progressed, Bayern continued in first in the league table, eventually winning the championship. Bayern also won the 2007–08 DFB-Pokal, thereby completing the double. International success was thwarted by Zenit Saint Petersburg, however, when Bayern suffered a 4–0 defeat in the second leg of the semi-final after a draw at home. The 2007–08 season was goalkeeper Oliver Kahn's last season with Bayern.
Document 3: Mario Götze: Mario Götze (] ; born 3 June 1992) is a German professional footballer who plays as an attacking midfielder for German Bundesliga club Borussia Dortmund and the Germany national team. Although his favoured position is that of a playmaker. Götze possesses speed, technique, dribbling skills, and playmaking capabilities. In 2010, German Football Association's then technical director Matthias Sammer described Götze as "one of the best talents Germany has ever had."
Document 4: 2012–13 FC Bayern Munich season: The 2012–13 FC Bayern Munich season was the 114th season in the club's history and the 48th consecutive season in the top flight of German football, the Bundesliga, since the promotion of the team from the Regionalliga Süd in 1965. Before the start of the season, Bayern signed Xherdan Shaqiri, Dante, Claudio Pizarro, Mitchell Weiser, Tom Starke and Mario Mandžukić. Bayern also added holding midfielder Javi Martínez after the first week of the Bundesliga season at the transfer deadline. The club started the season with a nine-match winning streak. The club would end the season claiming the Treble, winning the Bundesliga, the UEFA Champions League and the DFB-Pokal. Bayern are the first German club to achieve the Treble and are the third European Club to complete the Treble in the last five seasons and seventh ever in European Club competition.
Document 5: Edin Džeko: Edin Džeko (] ; born 17 March 1986) is a Bosnian professional footballer who plays as a forward for Serie A club Roma and the Bosnia and Herzegovina national team, for which he is captain.
Document 6: 2016–17 FC Bayern Munich season: The 2016–17 FC Bayern Munich season was the 118th season in the football club's history and 52nd consecutive and overall season in the top flight of German football, the Bundesliga, having won promotion from the Regionalliga in 1965 after winning the Regionalliga Süd. Bayern Munich also participated in this season's edition of the domestic cup, the DFB-Pokal, and the premier continental cup competition, the UEFA Champions League. Bayern were the reigning Bundesliga and DFB-Pokal champions, and therefore also participated in the German super cup, the DFL-Supercup. It was the 12th season for Bayern in the Allianz Arena, located in Munich, Germany. The season covers a period from 11 July 2016 to 30 June 2017.
Document 7: 2013–14 FC Bayern Munich season: The 2013–14 FC Bayern Munich season is the 115th season in the club's history and the 49th consecutive season in the top flight of German football, the Bundesliga, since their promotion from the Regionalliga Süd in 1965. Bayern will also participate in this season's editions of the DFB-Pokal, DFL-Supercup, UEFA Champions League, UEFA Super Cup, and FIFA Club World Cup.
Document 8: Darijo Srna: Darijo Srna (] ; born 1 May 1982) is a Croatian professional footballer who plays for Shakhtar Donetsk, which he captains. He also captained the Croatia national team from 2009 to 2016. He can play all across the right wing and is known for his crossing and free kick ability. He began his career at Hajduk Split, before moving to Shakhtar in 2003. He has won numerous trophies during his time at Shakhtar, including a UEFA Cup title in 2009, seven Ukrainian Premier League titles, five Ukrainian Cup titles and five Ukrainian Super Cup titles. Srna made his international debut for Croatia in November 2002. In 2009, then manager Slaven Bilić made him the captain of the national team, a position he would hold until retirement from international football in 2016.
Document 9: Luka Modrić: Luka Modrić (] ; born 9 September 1985) is a Croatian professional footballer who plays for Spanish club Real Madrid and captains the Croatia national team. Modrić plays mainly as a central midfielder but can also play as an attacking midfielder or as a defensive midfielder, usually deployed as a deep-lying playmaker.
Document 10: 2014–15 FC Bayern Munich season: The 2014–15 FC Bayern Munich season was the 116th season in the club's history and the 50th consecutive season in the top flight of German football, the Bundesliga, since their promotion from the Regionalliga Süd in 1965. Bayern participated in the season's editions of the DFB-Pokal, DFL-Supercup and UEFA Champions League. It was the 10th season for Bayern in the Allianz Arena.
Document 11: 2014–15 FC Barcelona season: The 2014–15 season was Futbol Club Barcelona's 115th in existence and the club's 84th consecutive season in the top flight of Spanish football. It was one of the most successful seasons in the club's history as they clinched the Treble by winning La Liga, Copa del Rey and the UEFA Champions League. By doing so, the Catalans became the first European team to twice win the domestic double as well as the highest continental tournament, after winning their first treble in the 2008–09 season. Barcelona's success was due to a large extent to their formidable forward trio composed of Lionel Messi, Neymar and summer signing Luis Suárez, who scored an unprecedented total of 122 goals in all competitions to become the trio with most goals in Spanish football history.
Document 12: List of Croatia national football team hat-tricks: Since the inception of international association football matches in 1872, nine Croatian footballers have scored three or more goals (a hat-trick) in a game. The first player to score a hat-trick for Croatia was August Lešnik in a friendly match against Slovakia in 1942. Davor Šuker was the first player in modern Croatian national team history to achieve this feat, scoring three times in a 7–1 victory over Estonia in 1995. He is also the one of two players alongside Mario Mandžukić who scored a hat-trick more than once, grabbing his second hat-trick in Croatia's 7–0 win against Australia. Mladen Petrić has scored the greatest number of goals in one game, netting four times against Andorra.
Document 13: Mario Balotelli: Mario Balotelli Barwuah (] ; born Mario Barwuah; 12 August 1990) is an Italian professional footballer who plays as a striker for Ligue 1 club Nice and the Italy national team.
Document 14: Mario Mandžukić: Mario Mandžukić (; born 21 May 1986) is a Croatian professional footballer who plays as a forward for Italian club Juventus and the Croatia national team. Besides being a prolific goalscorer, he is known for his great defensive contribution and aerial power.
Document 15: 2017–18 FC Bayern Munich season: The 2017–18 FC Bayern Munich season is the 118th season in the football club's history and 53rd consecutive and overall season in the top flight of German football, the Bundesliga, having been promoted from the Regionalliga in 1965. Bayern Munich also are participating in this season's edition of the domestic cup, the DFB-Pokal, and the premier continental cup competition, the UEFA Champions League. Bayern are the reigning Bundesliga champions, and therefore also are participating in the German super cup, the DFL-Supercup. This is the 13th season for Bayern in the Allianz Arena, located in Munich, Bavaria, Germany. The season covers a period from 1 July 2017 to 30 June 2018.
ground_truth: Mario Mandžukić