context: Since October 2011 Petar Segrt is the head coach of the Makassar PSM. Very traditional club [5] which last year had a lot of problems and there wasn't even a single national team player. After only one season in the Indonesian Premier League Segrt developed 10 new players in the Indonesian national team, six players were invited to the Indonesian national team A. [6] and four players were invited to the Indonesian U-23 national team. [7] Following Segrt's success that was achieved in that season, in July 2012 the Makassar PSM management offered him a 5-year contract extension, which is very common for Indonesian clubs. [8] Petar Segrt has also made an unbeatable record at home in the Indonesian Premier League, which is the first time for PSM Makassar in 97 years of history, he also has the youngest team in the Indonesian Premier League with an average age of the players is 22. In December 2012, Petar Segrt led the team to win the Mayor's Cup in Ternate. [9] It was the first trophy for PSM Makassar after almost 12 years.
question: When was Petar Segrt appointed as the head coach of the Makassar PSM?
answers.text: October 2011