Question: Enrique Berruga presented his credentials to a united nations secertary-general from which country ?

<P0-S0> Kofi Atta Annan ( ; born 8 April 1938) is a Ghanaian diplomat who served as the seventh Secretary-General of the United Nations from January 1997 to December 2006. <P0-S1>  Annan and the UN were the co-recipients of the 2001 Nobel Peace Prize. <P0-S2>  He is the founder and chairman of the Kofi Annan Foundation, as well as chairman of The Elders, an international organization founded by Nelson Mandela. <SEP> <P1-S0> Jane Jimmy Chigiyal (born April 3, 1967) is a Micronesian diplomat. <P1-S1>  On October 4, 2011, Chigiyal was confirmed as the Permanent Representative to the United Nations in a 13-1 vote in the 17th session of the Congress of the Federated States of Micronesia. <P1-S2>  Chigiyal's confirmation made her the first female Ambassador from the Federated States of Micronesia in history. <P1-S3>  She presented her credentials to Secretary-General of the United Nations Ban Ki-moon on December 2, 2011. <SEP> <P2-S0> Rebecca Sommer is a German artist, journalist, photographer, documentary filmmaker, and a human rights, nature rights and climate justice activist. <P2-S1>  She works with international NGO's in special consultative status to the United Nations (ECOSOC) in participatory status with the Council of Europe, and civil society observer status to the United Nations Framework Convention on Climate Change (UNFCCC). <P2-S2>  She convened and co-founded in 2001 Earth Peoples in NYC, a global network working together to promote natural and human rights, with special focus on Indigenous Peoples, Climate Change and the Rights of Mother Earth. <P2-S3>  2004 she was commissioned by the United Nations to film and produce the awareness-raising video "Indigenous Peoples and the United Nations Nr.1", which was first presented at the Dag Hammarskjöld Library Auditorium at the United Nations Headquarters. <P2-S4>  In 2007, prior to the adoption of the United Nations Declaration on the Rights of Indigenous Peoples at the UN General Assembly, she created a video lobby-tool"Discussions on the UN Declaration on the Rights of Indigenous Peoples" to encourage discussions with a number of countries that expressed concern about some key issues, such as self-determination, access to lands, territories and resources and the lack of a clear definition of the term indigenous. <P2-S5>  UN agencies UNHCHR and UNHCHR as well states such as Bolivia, Guatemala, Mexico and Germany supported her awareness-raising efforts and enabled during the year several film screenings of her work to encourage debates among states that were reluctant to adopt the Declaration. <P2-S6>  Since 2013 she is the president of the Arbeitsgruppe Flucht+Menschenrechte (AG F+M), a network supporting refugees in Europe. <SEP> <P3-S0> Enrique Berruga Filloy is a Mexican diplomat, having served as the Permanent Representative of Mexico to the United Nations. <P3-S1>  He presented his credentials to United Nations Secretary-General Kofi Annan on December 16, 2003. <P3-S2>  Prior to that, he had been an Undersecretary for Foreign Affairs from 2000 to 2003. <P3-S3>  He has been a career diplomat since 1984, serving in positions such as the chief of staff of the Minister of Foreign Affairs in 1993 and from 1994 to 1997. <P3-S4>  From 1997 to 1999, he was the Mexican ambassador to Costa Rica.