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: During the summer campaign of 1673, Turenne had the thankless task of trying to contain Leopold's troops under the command of Raimondo Montecuccoli. Montecuccoli finally joined with the Dutch troops of William III to besiege and take the city of Bonn from the French. In August 1673, The Habsburg monarchies of Spain and the Holy Roman Empire signed a formal alliance with the Republic that required that France be returned to her boundaries of 1659. This alliance was strengthened in October by Charles IV of Lorraine. Imperial and Dutch troops conquered the town of Naarden from the French on 13 September. The Spanish, who had yet to formally enter the war, declared war on the French on 16 October. At about the same time Frederick William re-entered the war against France. The position of Louis at this stage was bad enough, but it worsened when England made a separate peace, the Treaty of Westminster, with all of the nations arrayed against France on 19 February 1674. Charles II had been forced into making peace with the Republic by the Parliament which returned to session in October 1673.
Question: When did the Spanish declare war?
date

Passage: According to the United States Geological Survey, U.S. domestic marble production in 2006 was 46,400 tons valued at about $18.1 million, compared to 72,300 tons valued at $18.9 million in 2005. Crushed marble production (for aggregate and industrial uses) in 2006 was 11.8 million tons valued at $116 million, of which 6.5 million tons was finely ground calcium carbonate and the rest was construction aggregate. For comparison, 2005 crushed marble production was 7.76 million tons valued at $58.7 million, of which 4.8 million tons was finely ground calcium carbonate and the rest was construction aggregate. U.S. dimension marble demand is about 1.3 million tons. The DSAN World Demand for (finished) Marble Index has shown a growth of 12% annually for the 2000–2006 period, compared to 10.5% annually for the 2000–2005 period. The largest dimension marble application is tile.
Question: How many more tons of U.S. domestic marble was produced in 2005 compared to 2006?
number

Passage: In response to a border proposal by Sir John Oliver Wardrop—British Chief Commissioner in the South Caucasus—that would have assigned Nakhchivan to Armenia, Azeris of Nakhchivan revolted under the leadership of local landowner Jafargulu Khan Nakhchivanski in December 1918 and declared the independent Republic of Aras, with its capital in Nakhchivan. The republic, which was essentially subordinate to Azerbaijan, continued to exist until May 1919, when Armenian troops led by Drastamat Kanayan advanced into it to gain control over the region. They managed to capture the city of Nakhchivan in June 1919 and destroy the Republic of Aras, but afterwards fought combined regular Azeri and Ottoman troops, which reinstated Azeri control over the city in July. On 10 August 1919 a cease-fire was signed. American Commission to Negotiate Peace telegram dating 1919 speaking on the conflict,
Question: Who created the Republic of Aras?

span