This task involves annotating the answer type to a given question that involve some kind of complex reasoning (including numerical reasoning). Note that the questions require looking at more than one part of the passage to answer. There are 3 possible answer types (i) spans, (ii) numbers and (iii) dates. If the answer can be found in the passage, label it as "span". If the answer is a number, label as "number". Similarly, label "date" if you think the answer to the given question is a date.

Passage: The Senussi Campaign took place in North Africa, from November 1915 to February 1917, during the First World War between the British Empire and the Kingdom of Italy against the Senussi. The Senussi were a religious sect resident in Libya and Egypt, who were courted by the Ottoman Empire and the German Empire. In the summer of 1915, the Ottomans persuaded the Grand Senussi Ahmed Sharif as-Senussi to declare jihad, attack British-occupied Egypt from the west and encourage insurrection in Egypt, to divert British forces from an Ottoman Raid on the Suez Canal from Palestine. The Senussi crossed the Libyan-Egyptian border in November 1915 and fought a campaign along the Egyptian coast, where British Empire forces withdrew, then defeated the Senussi in several engagements, culminating in the Action of Agagia and the re-capture of the coast in March 1916. In the interior, the band of oases campaign continued until February 1917, after which a peace was negotiated and the area became quiet for the rest of the war, except for British patrols by aircraft and armoured cars.
Question: When did the Senussi Campaign start in North Africa?
date

Passage: Since the end of World War II, in part due to industrial size and the onset of the Cold War, the United States has often been a proponent of reduced tariff-barriers and free trade. The U.S. helped establish the General Agreement on Tariffs and Trade  and later the World Trade Organization ; although it had rejected an earlier version in the 1950s . Since the 1970s, U.S. governments have negotiated managed-trade agreements, such as the North American Free Trade Agreement  in the 1990s, the Dominican Republic-Central America Free Trade Agreement  in 2006, and a number of bilateral agreements . In Europe, six countries formed the European Coal and Steel Community  in 1951 which became the European Economic Community  in 1958. Two core objectives of the EEC were the development of a common market, subsequently renamed the single market, and establishing a customs union between its member states. After expanding its membership, the EEC became the European Union  in 1993. The European Union, now the world's largest single market, has concluded free trade agreements with many countries around the world.
Question: When did the countries that later formed the European Union first join?
date

Passage: The citys history is marked by numerous great fires. In 1198, the  faction set fire to the city in connection with a battle against the  faction during the civil war. In 1248,  and  burned, and 11 churches were destroyed. In 1413 another fire struck the city, and 14 churches were destroyed. In 1428 the city was plundered by German pirates, and in 1455, Hanseatic League merchants were responsible for burning down Munkeliv Abbey. In 1476,  burned down in a fire started by a drunk trader. In 1582, another fire hit the city centre and . In 1675, 105 buildings burned down in . In 1686 a new great fire hit , destroying 231 city blocks and 218 boathouses. The greatest fire to date happened in 1702 when 90 percent of the city was burned to ashes. In 1751, there was a great fire at . In 1756, a new fire at  burned down 1,500 buildings, and further great fires hit  in 1771 and 1901. In 1916, 300 buildings burned down in the city centre, and in 1955 parts of  burned down.
Question: In which year did the most buildings burn?

date