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'.
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Question: Passage: In modern times, the creation of relatively simple dome-like structures has been documented among various indigenous peoples around the world. The wigwam was made by Native Americans using arched branches or poles covered with grass or hides. The Efe people of central Africa construct similar structures, using leaves as shingles. Another example is the igloo, a shelter built from blocks of compact snow and used by the Inuit people, among others. The Himba people of Namibia construct "desert igloos" of wattle and daub for use as temporary shelters at seasonal cattle camps, and as permanent homes by the poor. Extraordinarily thin domes of sun-baked clay 20 feet in diameter, 30 feet high, and nearly parabolic in curve, are known from Cameroon.
Link Information: The Efe are a group of part-time hunter-gatherer people living in the Ituri Rainforest of the Democratic Republic of Congo. Question: What modern day country did the Efe people populate?

Answer: Answer: Democratic Republic of Congo

Question: Passage: Un'yo was one of the ships dispatched to Kyushu in 1874 during the Saga Rebellion. In May 1875, she carried diplomats to Busan in Korea in an attempt by the Japanese government to open diplomatic relations with the Joseon dynasty government. After they were rebuffed in these negotiations, the Japanese government again dispatched Un'yo in September 1875 under the command of Inoue Yoshika to provoke a military response, in what was later termed the Ganghwa Island incident. This eventually led to the Treaty of Ganghwa, which opened the Korean Peninsula to Japanese trade. In 1876, Un'yo was assigned to assist in the suppression of the Hagi Rebellion, another uprising of disaffected former samurai. Un'yo was severely damaged when she ran aground off the coast of the Kii Peninsula, and was scrapped the following year.
Link Information: The JapanKorea Treaty of 1876, also known as the Japan-Korea Treaty of Amity in Japanese or Treaty of Ganghwa Island in Korean, was made between representatives of the Empire of Japan and the Korean Kingdom of Joseon in 1876. Negotiations were concluded on February 26, 1876. Question: What year was the treaty that opened up the Korean Peninsula to Japanese trade signed?

Answer: Answer: 1876

Question: Passage: The Brooklyn native rapper Jay-Z had success on the Billboard Hot 100 with singles from his debut studio album Reasonable Doubt. In 1997 he had success outside of the US with singles like "Sunshine" which peaked at number 25 in UK, 18 in Germany and 22 in NZ. His next single "Wishing on a Star" peaked at number 13 in UK being his highest peak on the chart until Hard Knock Life (Ghetto Anthem). The next single "The City Is Mine was the most successful single of In My Lifetime, Vol. 1. The album peaked at number 3 on the Billboard 200 and it received positive reviews from critics. In 1998 he released the smash hit singles "Can I Get A..." and "Hard Knock Life (Ghetto Anthem)" which peaked at number 19 and 15 on the Hot 100 and had wide success worldwide, too. The singles helped the album Vol. 2... Hard Knock Life to debut at number 1 on the Albums chart and selling over 5 million copies. Vol. 3... Life and Times of S. Carter had hits like "Jigga My Nigga" which peaked at number 1 on the Rap chart and #28 on the Hot 100. Hits like "Girl's Best Friend" and "Big Pimpin'" were released and the later peaked at #18 on the Hot 100 earning a platinum certification by the RIAA. His next album was released shortly after Vol 3. The album sold 500k first week and had the hit "I Just Wanna Love U (Give It 2 Me)" which peaked at number one on the R&B/Hip-Hop chart being his first single to reach that peak. In 2001 he released his classic album The Blueprint which spawned his first top 10 single "Izzo (H.O.V.A.)" which was produced by Kanye West. The Blueprint peaked at number one on the Billboard 200 selling 400k, eventually reaching 2 million. The sequel followed in 2002 and had hits like "'03 Bonnie & Clyde" , "Excuse Me Miss" both peaking inside the top 10 on the Hot 100. The first single was his most successful single worldwide for Jay since "Hard Knock Life (Ghetto Anthem)". The album sold 500k but it received mixed reviews. The Black Album was released and had three hit singles and 2 of them were top 10. The album was considered a classic and Jay said it would be his last album. The project reached #1 on the albums chart and it won a Grammy for "99 Problems". Even though he said The Black Album would be his last album he released a collaboration EP with Linkin Park spawning a hit single which earned a Grammy.
Link Information: none Question: How many tracks appear on Jay-Z''s debut studio album?

Answer:
Answer: none