user: In this task, you're given a passage, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.

Q: Passage: While still attending high school in Tokyo, Katsu began training professional wrestling at the dojo of the JWP Joshi Puroresu promotion. On January 20, 2011, she passed a traditional audition held in front of her trainers and JWP management and officially graduated to the main roster of the promotion, becoming its first ever member still in high school. Katsu made her debut on March 21, 2011, wrestling JWP Openweight Champion Leon to a draw in a five-minute "exhibition match". She made her "official" debut in Korakuen Hall on April 3, 2011, losing to Sendai Girls' Pro Wrestling representative Dash Chisako. On April 17, Katsu entered the J-1 Grand Prix 2011 and was defeated in her first round-robin match by masu-me. On May 22, she was defeated in her second match in the tournament by Sachie Abe. On June 12, Katsu was again defeated by masu-me, this time in a match to determine the number one contender to the JWP Junior and Princess of Pro-Wrestling Championships. Katsu won her first match on June 26, when she, Ebessan and Kaori Yoneyama defeated Gami, Kanjyuro Matsuyama and Kyusei Ninja Ranmaru, though she did not take part in the finish of the match. Katsu finally scored her first pinfall win on July 18, when she defeated freelancer Mika Iida in a singles match. On August 14, Katsu entered the annual Natsu Onna Kettei Tournament, but was eliminated in her first round match by Ice Ribbon representative Hikari Minami. On September 23, Katsu entered the Souseiseki Cup / Blue Star Cup round-robin tournament for rookies, defeating Ice Ribbon's Dorami Nagano in her first match. She followed that up by also defeating Aoi Yagami on October 10, Mexican wrestler Lady Afrodita on November 13, and masu-me on November 20. During the tournament, on October 16, Katsu also made her debut for Oz Academy, facing Nao Komatsu in a losing effort. On December 16, Katsu suffered her first loss in the tournament against Nana Kawasa, but still won her block to advance to the finals of the tournament. On December 23, Katsu defeated Rabbit Miu to win the 2011 Souseiseki Cup / Blue Star Cup tournament. The following day, Katsu was named JWP's rookie of the year. As a result of her tournament win, Katsu received a shot at the JWP Junior and Princess of Pro-Wrestling Championships on January 9, 2012, but was defeated by the defending champion, Osaka Joshi Pro Wrestling representative Sawako Shimono.
 Link Information: JWP Joshi Puroresu was founded in early 1992 Question: Which of the wrestling promotions had been in running the longest when Katsu made her official debut against Dash Chisako?

A: Answer: JWP Joshi Puroresu
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Q: Passage: Ibrahim was born in Cape Town on 9 October 1934, and was baptized Adolph Johannes Brand. He attended Trafalgar High School in Cape Town's District Six, and began piano lessons at the age of seven, making his professional debut at 15. He is of mixed-race heritage, making him a Coloured person according to the South African government. His mother played piano in a church, the musical style of which would remain an influence; in addition, he learned to play several genres of music during his youth in Cape Town, including marabi, mbaqanga, and American jazz. He became well known in jazz circles in Cape Town and Johannesburg. In 1959 and 1960, Ibrahim played with the Jazz Epistles group in Sophiatown, alongside saxophonist Kippie Moeketsi, trumpeter Hugh Masekela, trombonist Jonas Gwangwa (who were all in the orchestra of the musical King Kong that opened in Johannesburg in February 1959), bassist Johnny Gertze and drummer Makaya Ntshoko; in January 1960, the six musicians went into the Gallo studio and recorded the first full-length jazz LP by Black South African musicians, Jazz Epistle Verse One, with 500 copies being produced. Although the group avoided explicitly political activity, the apartheid government was suspicious of it and other jazz groups, and targeted them heavily during the increase in state repression following the Sharpeville massacre, and eventually, the Jazz Epistles broke up.
 Link Information: According to the South African National Census of 2011, the population of the City of Cape Town metropolitan municipalityan area that includes suburbs and exurbs not always considered as part of Cape Townis 3,740,026 people Question: Which South African city that Ibrahim became a well known Jazz player has the highest population?

A: Answer: Johannesburg
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Q: Passage: Cham Joof was born on 22 October 1924 at 7 Griffith Street (Half-Die) in Bathurst now Banjul, the capital of the Gambia. He came from a Serer and Wolof background. He was the third child and the eldest son of Ebrima Joof (1887–1949) and Aji Anna Samba (1896 – 9 April 1977). On his father's side (the Joof family), he was a descendant of the Joof Dynasty of Sine and Saloum, and the Njie Dynasty of Jolof. On his mother's side, he was the great grand-nephew of Tafsir Sa Lolly Jabou Samba — a 19th-century Senegambian jihadist, military strategists and advisor to Maba Diakhou Bâ and one of the commanders of his army. Cham Joof was the elder brother of Gambian barrister Alhaji Bai Modi Joof.
 Link Information: Cham Joof was the elder brother of Gambian barrister Alhaji Bai Modi Joof. Question: What is the age difference between Cham Joof and his brother Alhaji Bai Modi Joof?

A:

assistant: Answer: 9
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