Input: Article: Critics such as economist Paul Krugman and U.S. Treasury Secretary Timothy Geithner have argued that the regulatory framework did not keep pace with financial innovation, such as the increasing importance of the shadow banking system, derivatives and off-balance sheet financing. A recent OECD study suggest that bank regulation based on the Basel accords encourage unconventional business practices and contributed to or even reinforced the financial crisis. In other cases, laws were changed or enforcement weakened in parts of the financial system. Key examples include:

Now answer this question: Which group's study suggested that Basel accords encourage unconventional business practices?

Output: OECD

Input: Article: The word gumbe is sometimes used generically, to refer to any music of the country, although it most specifically refers to a unique style that fuses about ten of the country's folk music traditions. Tina and tinga are other popular genres, while extent folk traditions include ceremonial music used in funerals, initiations and other rituals, as well as Balanta brosca and kussunde, Mandinga djambadon, and the kundere sound of the Bissagos Islands.

Now answer this question: Other than gumbe, what are two popular music genres?

Output: Tina and tinga

Input: Article: Several political figures who served as Zhejiang's top political office of Communist Party Secretary have played key roles in various events in PRC history. Tan Zhenlin (term 1949-1952), the inaugural Party Secretary, was one of the leading voices against Mao's Cultural Revolution during the so-called February Countercurrent of 1967. Jiang Hua (term 1956-1968), was the "chief justice" on the Special Court in the case against the Gang of Four in 1980. Three provincial Party Secretaries since the 1990s have gone onto prominence at the national level. They include CPC General Secretary and President Xi Jinping (term 2002-2007), National People's Congress Chairman and former Vice-Premier Zhang Dejiang (term 1998-2002), and Zhao Hongzhu (term 2007-2012), the Deputy Secretary of the Central Commission for Discipline Inspection, China's top anti-corruption body. Of Zhejiang's fourteen Party Secretaries since 1949, none were native to the province.

Now answer this question: When was the so-called February Countercurrent?

Output:
1967