instruction:
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.
question:
Passage: However, few of the treaty provisions were ever fulfilled. The Tatar raids resumed in 1618 , as commanders of the Dobruja and Budjak Hordes left Iskender's camp during talks. At first, Żółkiewki could not divide forces and Tatars plundered unopposed, but he met the Iskender Pasha's force near Kamianets-Podilskyi . On September 28, 1618, he drove it back while enduring heavy losses. In 1617 and 1619 Żółkiewski forced Cossacks to sign a new agreements . Boats were to be burnt and raids were forbidden. In exchange, the Cossack register was expanded, and the annual subsidy to Cossacks from the Crown was increased. However, Cossack raids did not cease, especially as they were encouraged by Muscovy. In July 1618, after many warnings to the Commonwealth, the young and ambitious sultan Osman II send a letter to king Sigismund III with the threats of a new war and the burning of Kraków. Since the Ottomans were involved in large-scale war with Persia, this was no more than a warning at the time. However, Osman planned for a war against the Commonwealth, in order to compensate for the heavy losses sustained against Persia, where, in the Ottoman-Persian Wars of 1603-1611 and 1617-1618/1619, the Ottoman Empire lost the Caucasus.
Question: Which month of 1618 did the losses occur?
answer:
date


question:
Passage: In April 1543 Suleiman launched another campaign in Hungary, bringing back Bran and other forts so that much of Hungary was under Ottoman control. As part of a Franco-Ottoman alliance , French troops were supplied to the Ottomans in Hungary: a French artillery unit was dispatched in 1543-1544 and attached to the Ottoman Army. In August 1543, the Ottoman succeeded in the Siege of Esztergom The siege would be followed by the capture of the Hungarian coronation city of Székesfehérvár in September 1543. Other cities that were captured during this campaign are Siklós and Szeged in order to better protect Buda. However, continuous delay of the push toward the west, because of the siege of these fortresses, meant that the Ottomans could not launch any new offensive against Austria. From 1548 to the end of the war, a Habsburg Spanish infantry tercio which had fought in the Schmalkaldic War, led by Maestre de campo Bernardo de Aldana, was detached in Hungary to fight against John Zápolya's supporters on behalf of Ferdinand. In fact, the Holy Roman Emperor Charles V sent Spanish troops to help his brother regularly from 1527 to 1553, a support that proved instrumental in Hungary remaining inside Christianity.
Question: What was former year that Charles V sent Spanish troops to help his brother?
answer:
date


question:
Passage: During the war, the Russian army organized the Crimean campaigns of 1687 and 1689, which both ended in Russian defeats. Despite these setbacks, Russia launched the Azov campaigns in 1695 and 1696, and after raising the siege in 1695 successfully occupied Azov in 1696.
Question: What year was the first Azov campaign?
answer:

date