In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as `a` for Yes or `b` for No.
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Question: Question: How many weeks did the single that peaked at number nine spend on the charts? Passage:"Go Girl" was the first single released from the album. It was originally the lead single from the album, but the single achieved minimum success and was later deemed a promo single. However, the single managed to reach the top of the charts in Japan. The album's official lead single, "Never Ever", which features Young Jeezy, was released in the United States in January 2009 and reached a peak of number nine on the U.S. Hot R&B/Hip-Hop Songs. The second single, "Love Sex Magic", featuring Justin Timberlake, became a worldwide hit, peaking within the top ten in twenty countries including the U.S., where it peaked at number ten on the Billboard Hot 100. It went on to be certified platinum in Australia and received a gold accreditation in New Zealand. It received a nomination for "Best Pop Collaboration with Vocals" at the 52nd Annual Grammy Awards and also for Best Choreography in a Video at the 2009 MTV Video Music Awards. "Like A Surgeon" was the fourth single from the album. The song received no promotion and no single cover nor music video was released. However, the song did manage to peak at number fifty-nine on the Hot R&B/Hip-Hop Songs chart from airplay alone. "Work", the final single, achieved moderate success in international markets.


Answer: b


Question: Question: Why did the Nok culture die off about 200 AD on the Jos Plateau? Passage:The Nok culture thrived from approximately 1,500 BC to about 200 AD on the Jos Plateau in north and central Nigeria and produced life-sized terracotta figures that include human heads, human figures, and animals. Iron smelting furnaces at Taruga, a Nok site, date from around 600 BC. The Nok culture is thought to have begun smelting iron by 600-500 BC and possibly some centuries earlier. Kainji Dam excavations revealed iron-working by the 2nd century BC. Evidence of iron smelting has also been excavated at sites in the Nsukka region of southeast Nigeria in what is now Igboland: dating to 2,000 BC at the site of Lejja (Uzomaka 2009) and to 750 BC and at the site of Opi (Holl 2009). The transition from Neolithic times to the Iron Age apparently was achieved indigenously without intermediate bronze production. Others have suggested that the technology moved west from the Nile Valley, although the Iron Age in the Niger River valley and the forest region appears to predate the introduction of metallurgy in the upper savanna by more than 800 years. The earliest iron technology in West Africa has also been found to be contemporary with or predate that of the Nile valley and North Africa, and some archaeologists believe that iron metallurgy was likely developed independently in sub-Saharan West Africa.


Answer: b


Question: Question: How many students were enrolled in Carleton University the year Clayoquot Sound was listed as a Biosphere Reserve? Passage:Scott Fraser was born and raised in Ottawa, Ontario, and attended Carleton University. In 1979 he moved to Alberta and worked on the oil rigs throughout the province and in the Arctic. He eventually moved to Vancouver, British Columbia, then, in 1992, to Tofino. With his wife and young daughter, he opened a bed and breakfast business. Only four years later, Fraser became the mayor of Tofino. He was mayor from November 1996 to November 1999, a time when tourism was over-taking logging and fishing as the town's dominant industry. Fraser was supportive of the application to the United Nations to designate Clayoquot Sound as a biosphere site; Clayoquot Sound was listed as a Biosphere Reserve in 2000. Fraser was the subject of a complaint filed at the British Columbia Ombudsman by one of his councillors, Ken Gibson. The mayor and council issued a resolution stating that Gibson had violated conflict-of-interest laws, using his position on council to influence zoning restrictions on his property. Gibson challenged the resolution at the BC Supreme Court which ruled in Gibson's favour, ordering that Gibson be re-instated as a councillor. The mayor and council voted in favour of appealing the decision but the Court of Appeal upheld the decision. Fraser was defeated in his attempt at re-election as mayor. In 2000, the former mayor was appointed to Tourism BC's board of directors and to the Clayoquot Sound Central Region Board which considered pre-treaty land use-related decisions. He accepted job as an assistant manager of the Tofino Harbour Authority and served as the chairman of the Working Sound Shellfish Committee.


Answer:
a