Question: From which country does MTV Africa Music Awards 2014 nominee Diamond Platnumz hail?

Context paragraphs:
Toyosi Akerele-Ogunsiji: Toyosi Akerele Ogunsiji ,(born Oluwatoyosi Akerele, 8 November 1983) is a Nigerian, Populist Social Entrepreneur and Human Development Expert with over 8 years on - the field experience.  She is from Lagos State, Nigeria.  She was named by Forbes as one "The 20 Youngest Power Women In Africa 2014".  In 2014, she was also nominated for the MTV Africa Music Awards 2014.  She is a Social entrepreneur and Founder of RISE NETWORKS, a Nigeria-based private and public sector funded Youth Interest social enterprise.  She is married to Korede Ogunsiji

Harmonize (musician): Rajab Abdul Kahali is a Tanzania musician, Songwriter and Dancer goes by his stage name Harmonize.  He was born on March 15 1994 in Mtwara, Tanzania.  He is signed under the music label in Africa WCB Wasafi Record which is under Diamond Platnumz leadership.  He is well known by his hit song called '""BADO' featured Diamond Platnumz .  He was also featured on one of the hit song done by Rich Mavoko, the song "SHOW ME".  He was included in MTV Base's "Ones to Watch for 2017" in Africa

Goldfish (band): Goldfish is an electronica and dance group hailing from Cape Town, South Africa, consisting of Dominic Peters and David Poole.  They create dance music containing elements of jazz and African music.  The band has released a number of albums, including "Perceptions of Pacha" and "Get Busy Living", and Goldfish was named "Best Pop" at the MTV Africa Music Awards 2014.

Mziiki: Mziiki, meaning music in Swahili, is an African music streaming App launched in mid-2014 by Spice VAS Africa.  Its library has content from over 1,500 African artists who have signed up.  It can play streaming music or cache songs for offline playback.  Music can be browsed or searched by artist, album, genre, playlist, or record label.  Mziiki's brand partners/ambassadors were named in mid 2014 as Kevin Wyre, a Kenyan dancehall music veteran and BET Awards 2014 nominee Diamond Platnumz

Diamond Platnumz: Naseeb Abdul Juma (born 2 October 1989), popularly known by his stage name Diamond Platnumz (or simply Diamond), is a Tanzanian bongo flava recording artist and dancer from Tanzania.  He is best known for his hit song "Number One" which he featured Nigerian artiste Davido.  Diamond has won numerous awards at Channel O and the HiPipo Music Awards.  He performed at the Big Brother Africa 7 eviction show in May 2012.  Diamond is considered influential among his fans, and is said to be the most loved and decorated Tanzanian artist at the moment.  He was believed to be the highest selling Tanzanian artist of ringtones by mobile phone companies in 2013, as well as being among the artists earning the highest income in the African Great Lakes region's music industry.

MTV Africa Music Awards 2014: The 2014 edition of the MTV Africa Music Awards took place on 7 June 2014, at the Durban International Convention Centre (ICC Arena).  The awards aired live across Africa on MTV Base and MTV.  The ceremony was sponsored by KwaZulu-Natal Province, Absolut and the City of Durban.  The show was hosted by American comedian and actor Marlon Wayans.  The ceremony featured performances from artists such as Miguel, Trey Songz, Flavour N'abania, French Montana, Tiwa Savage, Davido, Mafikizolo, Uhuru, Oskido, Professor, Diamond Platnumz, Phyno, Yuri Da Cunha, Sauti Sol, Sarkodie, Ice Prince, The Arrows, Khuli Chana, Dr SID, Fally Ipupa, Michael Lowman, Don Jazzy, DJ Clock, Beatenberg, DJ Kent, Big Nuz, Toofan, D'Banj, DJ Vigi, DJ Tira, DJ Buckz, and Burna Boy.  On 27 May 2014, the nominees for the MTV Base Leadership Award were announced.  On 28 May 2014, MTV Base revealed Drake, Beyoncé, Rihanna, Pharrell Williams, and Miley Cyrus as the nominees for the Best International Act category.  Davido and Mafikizolo received the most nominations with four each.  Mi Casa and P-Square received three nominations.  Diamond Platnumz and Wizkid were nominated twice for both Best Male and Best Collaboration.

Amani (musician): Cecilia Wairimu (born 28 November 1980), better known by her stage name Amani, is a Kenyan singer and songwriter.  Her contributions to the Kenyan music industry have earned her several coveted accolades, including the Best Female category at the 2009 MTV Africa Music Awards, Pearl of Africa Music Awards, Kisima Awards and Chaguo La Teeniez Awards.  She released her debut album in 2006.

List of awards and nominations received by Wizkid: As of June 2017, Nigerian recording artist Wizkid has received a total of 43 awards from 157 nominations.  He is the recipient of two BET Awards, three Billboard Music Awards, two iHeartRadio Music Awards, one MTV Europe Music Awards, four MTV Africa Music Awards, one iHeartRadio Much Music Video Awards,two SoundCity MVP Awards, one African Pride Award, two MOBO Award, six The Headies Awards, two Channel O Music Video Awards, six Nigeria Entertainment Awards, two Ghana Music Awards, two Dynamix All Youth Awards, two City People Entertainment Awards, and a Future Award.  In addition, he has been nominated five times at the MTV Europe Music Awards, three times at the American Music Awards, once at the Grammy Awards, as well as four times at the World Music Awards.

D'banj: Oladapo Daniel Oyebanjo (born 9 June 1980), known by his stage name D'banj, is a Nigerian singer-songwriter, musician, entrepreneur and TV host.  He has won several music awards, including the awards for "Best African Act" at the MTV Europe Music Awards 2007, "Artist of the Year" at the MTV Africa Music Awards 2009, Best International Act: Africa at the 2011 BET Awards, and Best-selling African Artist at the 2014 World Music Awards, Evolution award at the 2015 MTV Africa Music awards

Wahu: Rosemary Wahu Kagwi, professionally known by her mononym Wahu, is a Kenyan singer-songwriter, former fashion model, actress and entrepreneur.  She released her first single "Niangalie" which received positive reception all over Africa and the world at large.  She is the inaugural recipient of the MTV Africa Music Awards 2008, for Best Female Artist category.  Moreover, she has won the Pearl of Africa Music Awards, Chaguo La Teeniez Awards and Kisima Music Awards.  In the acting industry, Wahu had a leading role in the television series "Tazama".

Supporting paragraphs: MTV Africa Music Awards 2014 Diamond Platnumz
Answer: Tanzania