This task involves creating answers to complex questions, from a given passage. Answering these questions, typically involve understanding multiple sentences. Make sure that your answer has the same type as the "answer type" mentioned in input. The provided "answer type" can be of any of the following types: "span", "date", "number". A "span" answer is a continuous phrase taken directly from the passage or question. You can directly copy-paste the text from the passage or the question for span type answers. If you find multiple spans, please add them all as a comma separated list. Please restrict each span to five words. A "number" type answer can include a digit specifying an actual value. For "date" type answers, use DD MM YYYY format e.g. 11 Jan 1992. If full date is not available in the passage you can write partial date such as 1992 or Jan 1992. If you find multiple spans, please add them all as a comma separated list. Please restrict each span to five words.
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Question: Passage: As of the census of 2000, there were 478,403 people,  190,638  households, and 111,904  families residing in the city. The population density was . There were 215,856 housing units at an average density of . The racial makeup of the city was 51.0% African American, 41.5% White American, 0.3% Native American, 1.3% Asian American, 0.0% Pacific Islander American, 3.6% from other races, and 2.2% from Multiracial American. Hispanic or Latino Americans of any race were 7.3% of the population. Ancestry (United States Census) include German Americans (15.2%), Irish American (10.9%), English American (8.7%), Italian American (5.6%), Polish American (3.2%), and French American (3.0%). Out of the total population, 4.5% were foreign born; of which 41.2% were born in Europe, 29.1% Asia, 22.4% Latin American, 5.0% Africa, and 1.9% Northern America. 
Question: How many more housing units are there than households? 
Answer type: Number 

Answer: 25218.


Question: Passage: Macquarie University (MQ) world rankings includes it being number 240 on the QS rankings, number 251+ on Times (THE), number 151+ on ARWU, and  number 267 with US News. This contributes to Macquarie being the number 8 ranked Australian university overall in the world ranking systems. Macquarie University rankings within Australia include being placed at number 8 on the ERA scale (2012) and being a 4 1/2 Star AEN rated university. Macquarie also has a student survey satisfaction rating of 77.4% for business, 90.3% for health, 91.4% for arts, and 93.8% for science. Macquarie is ranked in the top 40 universities in the Asia-Pacific region and within Australias top 12 universities according to the Academic Ranking of World Universities, the U.S. News & World Report Rankings and the QS World University Rankings. Macquarie was the highest ranked university in Australia under the age of 50 and was ranked 18th in the world (prior to its golden jubilee in 2014), according to the QS World University Rankings. 
Question: How many points higher is the US News ranking of MQ University is the ranking given to MQ University by US News? 
Answer type: Number 

Answer: 27.


Question: Passage: Old age pensions were raised by 300 francs per month to 1,700 francs for a single person and to 3,700 francs for a couple, while health insurance benefits were made more widely available to unemployed persons and part-time employees. Housing allocations for the low-paid were raised by 25% in 1981, and in the two years following May 1981 family allowances were increased by 44% for families with 3 children and by 81% for families with 2 children. In 1981, the purchasing power of social transfers went up by 4.5% and by 7.6% in 1982. In addition, the minimum wage (which affected 1.7 million employees) was increased by 15% in real terms between May 1981 and December 1982. 
Question: Which year was the purchasing power of social transfers higher, 1981 or 1982? 
Answer type: Date 

Answer:
{'day': '', 'month': '', 'year': '1982'}.