Input: Read this: England is quite a successful nation at the UEFA European Football Championship, having finished in third place in 1968 and reached the semi-final in 1996. England hosted Euro 96 and have appeared in eight UEFA European Championship Finals tournaments, tied for ninth-best. The team has also reached the quarter-final on two recent occasions in 2004 and 2012. The team's worst result in the competition was a first-round elimination in 1980, 1988, 1992 and 2000. The team did not enter in 1960, and they failed to qualify in 1964, 1972, 1976, 1984, and 2008.
Question: In what year did England play its first UEFA European Football Championship match?

Output: unanswerable


Input: Read this: Mianyang Hi-Tech Industrial Development Zone was established in 1992, with a planned area of 43 km2 (17 sq mi). The zone is situated 96 kilometers away from Chengdu, and is 8 km (5.0 mi) away from Mianyang Airport. Since its establishment, the zone accumulated 177.4 billion yuan of industrial output, 46.2 billion yuan of gross domestic product, fiscal revenue 6.768 billion yuan. There are more than 136 high-tech enterprises in the zone and they accounted for more than 90% of the total industrial output.
Question: What is the planned area of the Mianyang Airport?

Output: unanswerable


Input: Read this: On 3 November 2007, the Sichuan Transportation Bureau announced that the Sui-Yu Expressway was completed after three years of construction. After completion of the Chongqing section of the road, the 36.64 km (22.77 mi) expressway connected Cheng-Nan Expressway and formed the shortest expressway from Chengdu to Chongqing. The new expressway is 50 km (31 mi) shorter than the pre-existing road between Chengdu and Chongqing; thus journey time between the two cities was reduced by an hour, now taking two and a half hours. The Sui-Yu Expressway is a four lane overpass with a speed limit of 80 km/h (50 mph). The total investment was 1.045 billion yuan.
Question: What did construction begin on in Nov 2007?

Output: unanswerable


Input: Read this: On January 21, 2014 IBM announced that company executives would forgo bonuses for fiscal year 2013. The move came as the firm reported a 5% drop in sales and 1% decline in net profit over 2012. It also committed to a $1.2bn plus expansion of its data center and cloud-storage business, including the development of 15 new data centers. After ten successive quarters of flat or sliding sales under Chief Executive Virginia Rometty IBM is being forced to look at new approaches. Said Rometty, “We’ve got to reinvent ourselves like we’ve done in prior generations.”
Question: How many new data centers did IBM commit to building?

Output:
15