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 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 

A: 25218.
****
Q: Passage: The 49ers' 8th match was an Interconference duel with the Broncos at Wembley Stadium. In the first quarter the 49ers took the lead as kicker Joe Nedney got a 34-yard field goal. They soon trailed in the third quarter when QB Tim Tebow scrambled 1 yard for a touchdown; followed in the fourth quarter by kicker Matt Prater hitting a 32-yard field goal. They soon went on a scoring rally to take the lead with QB Troy Smith scrambling a yard for a touchdown, followed by his 28-yard TD pass to WR Michael Crabtree. Then RB Frank Gore got a 3-yard TD run to put the 49ers up 24-10. The lead was narrowed when QB Kyle Orton made a 1-yard TD pass to WR Brandon Lloyd (with a failed PAT). With the win, the 49ers went into their bye week at 2-6. 
Question: How many total touchdowns were in the game? 
Answer type: Number 

A: 5.
****
Q: Passage: Hoping to rebound from their blowout loss at Green Bay, the Broncos returned home for an AFC West duel with the San Diego Chargers. The Chargers took the early lead in the first quarter, with a 24-yard field goal by placekicker Nick Novak. The Broncos grabbed the lead, when cornerback Cassius Vaughn returned an interception off Chargers' quarterback Philip Rivers 55 yards for a touchdown. The Chargers responded, with a 32-yard field goal by Novak. The Broncos extended their lead in the second quarter, with a 32-yard field goal by placekicker Matt Prater. However, the Chargers would re-claim the lead, with a 2-yard touchdown run by Rivers, a 28-yard field goal by Novak, followed by a 42-yard touchdown pass from Rivers to wide receiver Malcom Floyd, giving San Diego a 23-10 halftime lead. The Broncos benched quarterback Kyle Orton in favor of Tim Tebow. After a scoreless third quarter, the Chargers added to their lead, with a 51-yard field goal by Novak. The Broncos responded, when Tebow scrambled for a 12-yard touchdown (with a two-point conversion run by running back Willis McGahee), then threw a 28-yard touchdown pass to running back Knowshon Moreno (with a failed two-point conversion attempt), to pull the Broncos to within 26-24 with just over three minutes left in the game. The Chargers responded, with a 35-yard field goal by Novak. The Broncos tried to rally with 24 seconds remaining in regulation, but Tebow's last-second desperation pass into the end zone was unsuccessful, sealing the win for San Diego. Defensive tackle Kevin Vickerson suffering an ankle injury early in the game. Though he later returned, he was placed on injured reserve one day later (October 10). 
Question: How many more total field goal yards did Nick Novak make than Matt Prater? 
Answer type: Number 

A:
138.
****