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.

Q: Passage: As of the census of 2010, there were 47,723 people, 17,816 households, and 11,722 families residing in the city. The population density was 1,754.6/sq mi (677.5/km²).  There were 19,806 housing units at an average density of 749.9 per square mile (289.6/km²).  The racial makeup of the city was 38.32% White (U.S. Census), 57.25% African American (U.S. Census), 1.25% Native American (U.S. Census), 1.85% Asian, 0.14% Pacific Islander (U.S. Census), 1.03% from Race (United States Census), and 1.09% from two or more races.  6.98% of the population were Hispanics in the United States or Latino (U.S. Census) of any race. 
Question: How many fewer households were there compared to housing units? 
Answer type: Number 

A: 1990.
****
Q: Passage: In week 3, the Lions traveled south to Nashville to play the Tennessee Titans. Detroit started the scoring in the first quarter with a pair of field goals by Jason Hanson, from 47 and 53 yards respectively. The Titans responded with a 31-yard field goal by Rob Bironas, and took the lead when Darius Reynaud caught a Ben Graham punt and threw a lateral to Tommie Campbell who ran back a 65-yard touchdown. Tennessee added more points in the second quarter when Jared Cook caught a 61-yard touchdown pass from Jake Locker. The Lions responded when Jason Hanson kicked a 33-yard field goal. The final points of the first half was a 38-yard kick by The Titans' Rob Bironas. The only points of the third quarter was a 1-yard touchdown run by Detroit's Mikel Leshoure, sandwiched between two missed FGAs by Bironas. The fourth quarter scoring started when Jason Hanson kicked a 26-yard field goal. Next, the Lions' Nate Burleson caught a 3-yard touchdown pass from Matthew Stafford and the same duo completed a two-point conversion. Tennessee then scored 3 consecutive touchdowns. First, Darius Reynaud returned a kickoff 105 yards for a touchdown. Following a Lions punt, Nate Washington caught a 71-yard touchdown pass from Locker.  The Lions drove deep into Titans territory on the next drive but Alterraun Verner yanked the ball out of Brandon Pettigrew's hands and ran back a 72-yard touchdown. Matthew Stafford had to come out of the game with a pulled leg muscle and Shaun Hill responded with a drive ending in a three-yard touchdown to Calvin Johnson with just twenty seconds to go.  The Lions kicked onside and Amari Spievey caught the ball off a bounce at the Detroit 35-yard line. On the final play of regulation, Hill went deep and Titus Young caught the 41-yard touchdown off a partial deflection. Tied 41-41, the game went to overtime. After winning the coin toss, the Titans' Rob Bironas kicked the game-winning a field goal from 26 yards out. The Lions then drove down field, but were stopped on a fourth-down stand at the Titans 7-yard line as the team fell to 1-2. 
Question: How many total yards of field goals did Jason Hanson make? 
Answer type: Number 

A: 159.
****
Q: Passage: at Cleveland Browns Stadium, Cleveland, Ohio TV Time: CBS 4:05pm eastern The Ravens traveled to Cleveland, Ohio for an AFC North match-up with the Cleveland Browns.  The Ravens struck first with kicker Matt Stover getting a 32-yard field goal.  However, in the second quarter, their small lead was wiped out, as WR Braylon Edwards caught a 58-yard TD pass and QB Charlie Frye got a one-yard TD run.  In the third quarter, both sides stiffened their defenses and prevented each other from scoring.  In the fourth quarter, down by 2 points, McNair drove down the field to set Stover up for a 52-yard field goal. With 0:29 left in the 4th quarter the field goal provided the winning points.  Steve McNair passed for 264 yards. He threw no interceptions and completed 23 passes out of 41. Jamal Lewis rushed for 86 yards. The leading receiver was Derrick Mason with 7 completions for 132 yards. The defense sacked Brown's quarterback Charlie Frye seven times. The defense also had one forced fumble and an interception. With their third straight win, the Ravens advanced to 3-0. 
Question: How many yards longer was Matt Stover's second field goal compared to his first? 
Answer type: Number 

A:
20.
****