Question: In what region of the country of S-Fone is The place of birth of John Phan located?

Knowledge 1: S-Fone
S-Fone is a mobile communication operator in Vietnam that uses the CDMA technology. Founded on 1 July 2003 in Ho Chi Minh City, Vietnam, S-fone became the third network of Vietnam, breaking the duopoly of the two VNPT operators. It is the trademark of S-Telecom (CDMA Mobile Phone Centre) (set up as a joint venture between Saigon Postel Corp. (SPT) and Korea SK Telecom). SK Telecom decided to leave the partnership in 2010. SPT has since then found it difficult to find a new partner, after a co-operation with Saigon Tel failed. [SEP] Knowledge 2: South Central Coast
South Central Coast (Vietnamese: Duyên hải Nam Trung Bộ) is one of the regions of Vietnam. It consists of the independent municipality of Đà Nẵng and seven other provinces. The two southern provinces Ninh Thuận and Bình Thuận are sometimes seen as part of the Southeast region.The Paracel Islands (Hoàng Sa District), and Spratly Islands (Trường Sa District), are also part of this region. [SEP] Knowledge 3: John Phan
Bon "John" Phan (born October 10, 1974 in Da Nang, Vietnam) is a Vietnamese-American professional poker player based in Stockton, California who is a two time World Series of Poker bracelet winner and is a winner and four time final tablist of World Poker Tour Championships.
Knowledge 1: John Phan
Bon "John" Phan (born October 10, 1974 in Da Nang, Vietnam) is a Vietnamese-American professional poker player based in Stockton, California who is a two time World Series of Poker bracelet winner and is a winner and four time final tablist of World Poker Tour Championships. [SEP] Knowledge 2: S-Fone
S-Fone is a mobile communication operator in Vietnam that uses the CDMA technology. Founded on 1 July 2003 in Ho Chi Minh City, Vietnam, S-fone became the third network of Vietnam, breaking the duopoly of the two VNPT operators. It is the trademark of S-Telecom (CDMA Mobile Phone Centre) (set up as a joint venture between Saigon Postel Corp. (SPT) and Korea SK Telecom). SK Telecom decided to leave the partnership in 2010. SPT has since then found it difficult to find a new partner, after a co-operation with Saigon Tel failed. [SEP] Knowledge 3: South Central Coast
South Central Coast (Vietnamese: Duyên hải Nam Trung Bộ) is one of the regions of Vietnam. It consists of the independent municipality of Đà Nẵng and seven other provinces. The two southern provinces Ninh Thuận and Bình Thuận are sometimes seen as part of the Southeast region.The Paracel Islands (Hoàng Sa District), and Spratly Islands (Trường Sa District), are also part of this region.
Knowledge 1: John Phan
Bon "John" Phan (born October 10, 1974 in Da Nang, Vietnam) is a Vietnamese-American professional poker player based in Stockton, California who is a two time World Series of Poker bracelet winner and is a winner and four time final tablist of World Poker Tour Championships. [SEP] Knowledge 2: S-Fone
S-Fone is a mobile communication operator in Vietnam that uses the CDMA technology. Founded on 1 July 2003 in Ho Chi Minh City, Vietnam, S-fone became the third network of Vietnam, breaking the duopoly of the two VNPT operators. It is the trademark of S-Telecom (CDMA Mobile Phone Centre) (set up as a joint venture between Saigon Postel Corp. (SPT) and Korea SK Telecom). SK Telecom decided to leave the partnership in 2010. SPT has since then found it difficult to find a new partner, after a co-operation with Saigon Tel failed. [SEP] Knowledge 3: Paris
The remaining group, people born in foreign countries with no French citizenship at birth, are those defined as immigrants under French law. According to the 2012 census, 135,853 residents of the city of Paris were immigrants from Europe, 112,369 were immigrants from the Maghreb, 70,852 from sub-Saharan Africa and Egypt, 5,059 from Turkey, 91,297 from Asia (outside Turkey), 38,858 from the Americas, and 1,365 from the South Pacific. Note that the immigrants from the Americas and the South Pacific in Paris are vastly outnumbered by migrants from French overseas regions and territories located in these regions of the world.

Answer: South Central Coast