Question: Which Croatian football manager of Persepolis and brother to Zlatko Ivanković led Iran to the 2006 World Cup?

Context paragraphs:
Damir Petravić: Damir Petravić (born 17 July 1963 in Zagreb) is a Croatian football manager and a former player.  He graduated on the Faculty of Physical Education at the University of Zagreb.  There he received the professional title of advanced football (soccer) coach.  He also graduated from the Academy of the Croatian Football Federation (HNS) and has a Union of European Football Associations (UEFA) Professional License.

2013 Hazfi Cup Final: The 2013 Hazfi Cup Final was the 26th final since 1975.  The match was the "Iran's El-classico between Persepolis and Sepahan.  This was the clubs' second meeting in the final where Sepahan won 4–2 over Persepolis in the penalties in 2006.  The match was also the last match of Persepolis captain Mehdi Mahdavikia, a former Iran national football team and Hamburg SV midfielder.  Sepahan won Persepolis for another time in penalties and crowned their 4th domestic cup title.  Sepahan was qualified for the group stage of the 2014 AFC Champions League.

Gérard Houllier: Gérard Houllier, OBE (] ; born 3 September 1947) is a French football manager and former player.  His past clubs include Paris Saint-Germain, Lens and Liverpool, with whom he won the FA Cup, League Cup and UEFA Cup in 2001.  He then guided Olympique Lyonnais to two French titles, before announcing his resignation on 25 May 2007.  He became manager of Aston Villa in September 2010.  He also coached the France national team between 1992 and 1993.  He assisted Aimé Jacquet in the FIFA World Cup 1998, was part of UEFA's and FIFA's Technical Committee in the 2002 and 2006 World Cup finals, and technical director for the French Football Federation during the 2010 finals.  In June 2011, he stepped down from club coaching, leaving his managerial role at Aston Villa, following frequent hospitalisation over heart problems.

Zlatko Kranjčar: Zlatko "Cico" Kranjčar (] ; born 15 November 1956) is a Croatian football manager and former striker.  He currently manages Sepahan in Iran Pro League.

List of Persepolis F.C. managers: Persepolis F.C. is a professional football club based in Tehran, Iran, which plays in the Iran Pro League.  The first full-time manager of Persepolis was Parviz Dehdari in 1968.  Branko Ivanković is the current head coach of the Persepolis since 6 April 2015.

Branko Ivanković: Branko Ivanković (] ; born 28 February 1954) is a Croatian football manager and former player who currently manages Persepolis in persian gulf Pro League.  After a 12-year playing career at Varteks Varaždin, Ivanković started his coaching career at the same club in 1991.  He led the Iranian national football team at the 2006 World Cup.

Farshad Pious: Farshad Pious (Persian: فرشاد پیوس‎ ‎ , born January 12, 1962 in Tehran, Iran) is a retired Iranian football player who was a striker for a number of clubs in Iran, most notably Persepolis, as well as Iran national football team.  He is regarded as one of the best players in the history of Iranian football.  He helped Persepolis win their only ever Asian Cup Winners' Cup in 1991 and also led them to a runners-up finish the following year.  Pious was named the Iranian Football League top scorer on seven occasions.  He is also Persepolis' greatest ever scorer with 153 goals in 211 games.

Zlatko Ivanković: Zlatko Ivanković is a Croatian football coach.  He is the brother of former national team coach Branko Ivanković.

Ahmad Reza Abedzadeh: Ahmadreza Abedzadeh (Persian: احمدرضا عابدزاده‎ ‎ , born 25 May 1966 in Abadan) is a retired Iranian football goalkeeper.  He played for Esteghlal, Sepahan, Persepolis and the Iranian national football team.  His performance led Iran to the World Cup 1998 and his saves helped Iran attain respectable results in the tournament.

Mehdi Mahdavikia: Mehdi Mahdavikia (Persian: ‎ ‎ , born 24 July 1977 in Tehran) is a retired Iranian football player who played for Persepolis, Hamburger SV, Eintracht Frankfurt, Steel Azin, Damash Gilan and also the Iran national football team.  He has won the Asian Young Footballer of the Year award in 1997, as well as Asian Footballer of the Year in 2003.  He was captain of the Iran national football team from 2006 to 2009, and currently is the fourth most capped Iranian International after Ali Daei, Javad Nekounam and Ali Karimi.  From the Bank Melli youth academy, he joined Persepolis and after his performance in the 1998 FIFA World Cup was transferred to Hamburger SV in the Bundesliga, where he played for eight seasons.  He usually played as a right winger or full-back.  He was known for his crossing, speed and dribbling.  He announced his retirement on 14 March 2013 from football world.  His last match as a football player was against Sepahan in the Hazfi Cup final on 5 May 2013.

Supporting paragraphs: Zlatko Ivanković Branko Ivanković
Answer: Branko Ivanković