system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Who is the current Secretary General of the UN?
assistant
The correct answer is  Ban Ki-moon is the eighth Secretary-General of the United Nations. Mr Ban took office on 1 January 2007. On 21 June 2011, he was unanimously re-elected by the General Assembly and will continue to serve until 31 December 2016. Ref: http://www.un.org/sg/biography.shtml.