Input: Article: New York City has a high degree of income disparity as indicated by its Gini Coefficient of 0.5 for the city overall and 0.6 for Manhattan. The disparity is driven by wage growth in high-income brackets, while wages have stagnated for middle and lower-income brackets. In the first quarter of 2014, the average weekly wage in New York County (Manhattan) was $2,749, representing the highest total among large counties in the United States. In 2013, New York City had the highest number of billionaires of any city in the world, higher than the next five U.S. cities combined, including former Mayor Michael R. Bloomberg. New York also had the highest density of millionaires per capita among major U.S. cities in 2014, at 4.6% of residents. Lower Manhattan has been experiencing a baby boom, with the area south of Canal Street witnessing 1,086 births in 2010, 12% greater than 2009 and over twice the number born in 2001.

Now answer this question: What previous mayor of New York is a billionaire?

Output: Michael R. Bloomberg

Input: Article: The bank must also co-operate within the EU and internationally with third bodies and entities. Finally, it contributes to maintaining a stable financial system and monitoring the banking sector. The latter can be seen, for example, in the bank's intervention during the subprime mortgage crisis when it loaned billions of euros to banks to stabilise the financial system. In December 2007, the ECB decided in conjunction with the Federal Reserve System under a programme called Term auction facility to improve dollar liquidity in the eurozone and to stabilise the money market.

Now answer this question: What did the ECB do to help stabilise the financial system during the subprime mortgage crisis?

Output: loaned billions of euros to banks

Input: Article: The major architectural undertakings were the buildings of abbeys and cathedrals. From about 900 CE onwards, the movements of both clerics and tradesmen carried architectural knowledge across Europe, resulting in the pan-European styles Romanesque and Gothic.

Now answer this question: When did the clerics and tradesmen start spreading architectural information?

Output:
900 CE onwards