Question: Which country Bảo Long's father is from?

Knowledge 1: Bảo Long
Crown Prince NguyễnPhước Bảo Long (4 January 1934 – 28 July 2007) was the eldest son of Bảo Đại, Vietnam's last emperor.He headed the former ruling house from 30 July 1997 until his death. [SEP] Knowledge 2: Bảo Đại
Bảo Đại (lit. "keeper of greatness", 22 October 1913 – 30 July 1997), born Nguyễn Phúc Vĩnh Thụy, was the 13th and final Emperor of the Nguyễn dynasty, the last ruling family of Vietnam.From 1926 to 1945, he was Emperor of Annam.During this period, Annam was a protectorate within French Indochina, covering the central two-thirds of the present-day Vietnam.Bảo Đại ascended the throne in 1932.The Japanese ousted the Vichy-French administration in March 1945 and then ruled through Bảo Đại.At this time, he renamed his country "Vietnam".He abdicated in August 1945 when Japan surrendered.From 1949 until 1955, Bảo Đại was the chief of state of the State of Vietnam (South Vietnam).Bảo Đại was criticized for being too closely associated with France and spending much of his time outside Vietnam.Prime Minister Ngô Đình Diệm eventually ousted him in a fraudulent referendum vote in 1955.
Knowledge 1: Bảo Long
Crown Prince NguyễnPhước Bảo Long (4 January 1934 – 28 July 2007) was the eldest son of Bảo Đại, Vietnam's last emperor.He headed the former ruling house from 30 July 1997 until his death. [SEP] Knowledge 2: Ali Rahuma
Ali Khalifa Rahuma( born May 16, 1982) is a Libyan football midfielder who's nationality is Libyan.He currently plays for Al- Ittihad, and is a member of the Libya national football team.
Knowledge 1: Bảo Đại
Bảo Đại (lit. "keeper of greatness", 22 October 1913 – 30 July 1997), born Nguyễn Phúc Vĩnh Thụy, was the 13th and final Emperor of the Nguyễn dynasty, the last ruling family of Vietnam.From 1926 to 1945, he was Emperor of Annam.During this period, Annam was a protectorate within French Indochina, covering the central two-thirds of the present-day Vietnam.Bảo Đại ascended the throne in 1932.The Japanese ousted the Vichy-French administration in March 1945 and then ruled through Bảo Đại.At this time, he renamed his country "Vietnam".He abdicated in August 1945 when Japan surrendered.From 1949 until 1955, Bảo Đại was the chief of state of the State of Vietnam (South Vietnam).Bảo Đại was criticized for being too closely associated with France and spending much of his time outside Vietnam.Prime Minister Ngô Đình Diệm eventually ousted him in a fraudulent referendum vote in 1955. [SEP] Knowledge 2: Empress Dowager Wei (Later Liang)
Empress Dowager Wei( 衛太后, personal name unknown) was an empress dowager of the Chinese/ Di state Later Liang.She was the mother of the last emperor Lü Long.LadyWei was most likely the wife of Lü Long's father Lü Bao( 呂寶), who was a younger brother of the founding emperor Lü Guang( Emperor Yiwu).Very little is known about her.When Lü Long became emperor after his younger brother Lü Chao( 呂超) assassinated then- emperor Lü Zuan in 401, he honored her as empress dowager.There was no further historical reference to her, and it is not known whether she survived the state's destruction in 403 or her son's death in 416.

Answer: Annam