instruction:
This task involves creating questions from a given passage that involve some kind of complex reasoning (including numerical reasoning). 
The generated questions must require looking at more than one part of the passage to answer. Try to use a variety of reasoning types in your questions (some of the sample reasoning types are illustrated in the 'positive examples' field) and also have a variety of answer types (spans, numbers, dates). A span is a continuous phrase taken directly from the passage or question. In such questions, the answer spans are recommended to be five words. Questions with answer type "number", are expected to start with "How many". For instance, "How long did an event last?" can be phrased as "How many years did an event last?". To increase diversity, try to create more questions for which the answer will be multiple spans. Please create questions that require AT LEAST 2 arithmetic operations as illustrated in the 'positive examples' field. You are encouraged to try DIFFERENT COMBINATIONS of operations and not just limit to the combinations shown in those examples. The more challenging questions you create, the better it is.
question:
Passage: The new Ottoman army arrived on the island during the winter of 1666/1667, and in May, the final phase of the siege, overseen by the Grand Vizier himself, began. It would last for 28 months and cost the lives of 70,000 Ottoman soldiers, 38,000 conscripted Cretans and slaves who labored in the Ottoman siege works and 29,088 of the city's Christian defenders. Faced with the renewed Ottoman assault and a struggling economy, despite the prospect of considerable reinforcements from Western Europe, in 1668 the Signoria hoped to end the war by striking a peace settlement with the Ottomans. Indeed, the Venetians hoped to use the imminent arrival of reinforcements to secure concessions from the Ottomans. Admiral Andrea Valier was at first appointed as envoy, but fell ill and was quickly replaced by the elderly nobleman Alvise da Molin. Molin and his embassy traveled to Larissa, where the Ottoman court resided during one of the Sultan's hunting expeditions. The Ottomans proposed that Venice keep one half of Crete, but the Signoria, emboldened by further pledges of reinforcements, especially from France, and renewed turmoil at the Ottoman court and within the Empire, refused the offer. Molin, in the meantime transported by the Ottomans to Canea in Crete, was ordered to continue negotiations and to continue observing the Ottomans' strength and intentions, but not commit himself or the Republic.
answer:
How many more Ottoman soldiers died than conscripted Cretans?


question:
Passage: After their ouster from the coastal ports of China, Japanese and Portuguese traders collaborated with illegal smugglers on island ports along the Zhejiang and Fujian coast. Among these ports, Shuangyu on Liuheng Island  off the coast of Ningbo emerged as the primary emporium of clandestine trade. At first, Shuangyu only had temporary mat-sheds for the smugglers to house themselves and their goods during the trading season. In 1539, Fujianese traders started to guide foreign traders from Patani and Malacca to barter in Shuangyu and started to occupy the island. They were soon joined by the Fujianese merchants Jinzi Lao  and Li Guangtou , who led the Portuguese and assorted adventurers to Shuangyu. Attracted by the growing trade on the Zhejiang coast, the Xu brothers' syndicate moved their base of operations from the Malay Peninsula to Shuangyu. The existing clout of the Xu syndicate and its close partnership with the Portuguese made it the foremost smuggling bloc by 1542 after a series of mergers among the merchant-pirates in Shuangyu. The Ming navy began to clamp down on smuggling activities in 1543, but the Xu syndicate was able to repulse the Ming attacks in Shuangyu with the aid of Portuguese firepower. Hardened by their victories against the Ming navy, the smugglers expanded their network of activities down the coast of China all the way to Guangdong and inland to the metropolis of Nanjing, with Shuangyu being their hub. In 1544, this network was further expanded when Wang Zhi joined the Xu syndicate, bringing along his Japanese connections to Shuangyu. Thus Shuangyu reached its zenith as the biggest entrepôt in maritime East Asia trading goods from Europe and Asia until its downfall in 1548.
answer:
After the Ming navy began trying to stop smuggling in 1543, how many years passed before the Xu syndicate downfall?


question:
Passage: In 2000, the INEGI estimated that about eight million Mexican-born people, which then was equivalent to 8.7% of the population of Mexico itself, lived in the United States of America. In that year, the Mexican states sending the greatest numbers of emigrants to the United States were Jalisco (170,793), Michoacán (165,502), and Guanajuato (163,338); the total number of Mexican emigrants to the United States in 2000, both legal and illegal, was estimated at 1,569,157; the great majority of these were men.  Approximately 30% of emigrants come from rural communities.  In that same year, 260,650 emigrants returned to Mexico.  According to the Pew Hispanic Center in 2006, an estimated ten percent of all Mexican citizens lived in the United States.  The population of Mexican immigrants residing illegally in the United States fell from around seven million in 2007 to about 6.1 million in 2011.  This trajectory has been linked to the economic downturn which started in 2008 and reduced available jobs, and to the introduction of stricter immigration laws in many States.  According to the Pew Hispanic Center the total number of Mexican-born people had stagnated in 2010 and then began to fall.
answer:

How many more illegal immigrants were in the United States in 2007 than 2011?