Problem: The Dano-Swedish War from 1501 to 1512 was a military conflict between Denmark and Sweden within the Kalmar Union. The war began with a Swedish revolt against King John and the siege of Queen Christina in her castle in Danish-held Stockholm. Fighting intensified in 1509 and 1510 when the German city of Lubeck and the Hanseatic League helped Sweden to conquer Danish-held Kalmar and Borgholm. The recently established Danish Navy fought joint Hanseatic-Swedish naval forces at Nakskov and Bornholm in 1510 and 1511. In April 1512, a peace agreement was signed in Malmo.
Answer this question based on the article: How many years was the war intensified?
A: 2

Problem: The Shang dynasty or Yin dynasty , according to traditional historiography, ruled in the Yellow River valley in the second millennium BC, succeeding the Xia dynasty and followed by the Zhou dynasty. The classic account of the Shang comes from texts such as the Classic of History, Bamboo Annals and Records of the Grand Historian. According to the traditional chronology based upon calculations made approximately 2,000 years ago by Liu Xin, the Shang ruled from 1766 BC to 1122 BC, but according to the chronology based upon the "current text" of Bamboo Annals, they ruled from 1556 BC to 1046 BC. The Xia-Shang-Zhou Chronology Project dated them from c. 1600 BC to 1046 BC. At its peak 1122 BC it covered an area of 1,250,000km2.
Answer this question based on the article: What happened first: Shang dynasty or Zhou dynasty?
A: Shang dynasty

Problem: The Ravens beat the Pittsburgh Steelers 31-7 for the second time this season. and improved to a 12-3 record, moving up to the #2 AFC playoff seed with a Colts loss during Week 16 against the Texans. The Ravens defense held Pittsburgh RB Willie Parker to just thirty yards rushing and sacked Ben Roethlisberger five times. On offense Steve McNair threw three TD passes and was 21/31 for 256 yards with 2 interceptions. RB Jamal Lewis added 77 yards and a touchdown, and Matt Stover delivered a 26-yd field goal. This was the Ravens first win at Heinz Field since 2001. It was also the first time the Baltimore Ravens swept the season series against the Steelers in franchise history. The Ravens also tied their franchise record for wins in a season at 12 while improving to 12-3. They had last won 12 games during the 2000 season, after which they went on to win Super Bowl XXXV in Tampa.
Answer this question based on the article: How many points did the Steelers score?
A:
7