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.

Example Input: Passage: The total population in sub-Saharan Africa is projected to increase to almost one billion people, making it the most populated region outside of South-Central Asia. According to the United Nations, the population of Nigeria will reach 411 million by 2050. Nigeria might then be the 3rd most populous country in the world. In 2100, the population of Nigeria may reach 794 million. While the overall population is expected to increase, the growth rate is estimated to decrease from 1.2 percent per year in 2010 to 0.4 percent per year in 2050. The birth rate is also projected to decrease from 20.7 to 13.7, while the death rate is projected to increase from 8.5 in 2010 to 9.8 in 2050. List of countries by life expectancy is all expected to increase from 67.0 years in 2010 to 75.2 years in 2050. By 2050 the percent of the population estimated to be living in urban areas is 69.6% compared to the 50.6% in 2010. 
Question: By how many percentage points is the death rate projected to increase from 2010 to 2050? 
Answer type: Number 
Example Output: 1.3.

Example Input: Passage: After a tough season-opening loss, the Steelers traveled to Cincinnati to take on the Bengals.  The Steelers scored first when Shaun Suisham scored a field goal from 44 yards out to make the score 3-0.  The Bengals took the lead as Giovani Bernard ran for a 7-yard touchdown making the score 7-3.  The Bengals scored again in the 2nd quarter as Mike Nugent nailed a 41-yard field goal to make the score 10-3 followed up by Ben Roethlisberger finding Derek Moye on a 1-yard pass to tie the game at 10-10 halftime.  The Bengals retook the lead in the 3rd quarter as Andy Dalton found Bernard on a 27-yard pass retaking the lead 17-10 and then it was  followed up by Nugent's 25-yard field goal in the 4th quarter for a final score of 20-10. With their 2nd straight loss to the Bengals, the Steelers started a season 0-2 for the first time since 2002. 
Question: How many points were scored in the first half? 
Answer type: Number 
Example Output: 20.

Example Input: Passage: Coming off their divisional home win over the Redskins, the Giants flew to the Edward Jones Dome for a Week 2 duel with the St. Louis Rams.  In the first quarter, the G-Men drew first blood with QB Eli Manning completing a 33-yard TD pass to WR Plaxico Burress.  In the second quarter, the Rams responded with kicker Josh Brown getting a 54-yard field goal.  New York came right back with kicker John Carney nailing a 33-yard field goal.  St. Louis would answer with Brown kicking a 54-yard field goal, while Carney gave the Giants a 33-yard field goal. In the third quarter, New York increased its lead with Manning completing a 10-yard TD pass to WR Amani Toomer.  In the fourth quarter, the Rams tried to rally as QB Marc Bulger completed a 45-yard TD pass to WR Torry Holt.  Afterwards, the Big Blue pulled away with Manning's 18-yard TD pass to RB Ahmad Bradshaw, DE Justin Tuck's 41-yard interception return for a touchdown, and Bradshaw's 31-yard TD run. With the win, not only did the Giants improve to 2-0, but they also picked up their 12th consecutive road win. 
Question: How many yards difference was there between the longest and shortest field goals? 
Answer type: Number 
Example Output:
21.