In this task, you're given a question, along with three passages, 1, 2, and 3. Your job is to determine which passage can be used to answer the question by searching for further information using terms from the passage. Indicate your choice as 1, 2, or 3.

Ex Input:
Question: How long was Tim Howard a goalkeeper for Everton? Passage 1:On 31 August 2013, Ki joined Sunderland on a season-long loan with a mid-season re-call option. He scored his first goal for Sunderland on 17 December 2013 in a 2–1 League Cup quarter-final win over Chelsea, cutting inside Ashley Cole then beating goalkeeper Mark Schwarzer with a low shot in the 119th minute for the winning goal. On 26 December, he scored his second for Sunderland in a 1–0 away win over Everton. Everton goalkeeper Tim Howard played a short pass to Leon Osman who was robbed of the ball by Ki. Howard brought Ki down and was sent off, and Ki converted the penalty kick himself to give the Black Cats a vital win. It was Ki's first league goal. Ki's third goal for Sunderland came in a 4–1 away win at Fulham from a well-worked set piece by Adam Johnson.
 Passage 2:Yamaguchi was born in Takasaki on January 29, 1969. After graduating from Tokai University, he joined All Nippon Airways (later Yokohama Flügels) in 1991. The club won 1993 Emperor's Cup their first time in major title. In Asia, the club also won 1994–95 Asian Cup Winners' Cup. In 1998, the club won Emperor's Cup. However the club was disbanded end of 1998 season due to financial strain, he moved to Nagoya Grampus Eight with Seigo Narazaki in 1999. The club won 1999 Emperor's Cup. He moved to J2 League club Albirex Niigata in 2003. The club won the champions in 2003 and was promoted to J1 League. In August 2005, he moved to J2 League club Yokohama FC was founded by Yokohama Flügels supporters. The club won the champions in 2006 and was promoted to J1 League. He retired end of 2007 season. He also served as captain in all teams.
 Passage 3:Its first broadcast was the 1970 Daytona 500. The network broadcasts coverage of the NASCAR Cup Series and Xfinity Series races at tracks owned by ISC as well as Dover International Speedway and Pocono Raceway. It also has exclusive coverage of the entire Gander RV & Outdoors Truck Series schedule. Other NCS and NXS races are held at tracks owned by Speedway Motorsports, Inc. and the Indianapolis Motor Speedway. Both SMI and IMS have their own radio networks (Performance Racing Network and the IMS Radio Network), unrelated except for the appearance of Doug Rice on IndyCar Radio during coverage of the Brickyard 400. The NASCAR All-Star Open qualifying race and NASCAR All-Star Race are also broadcast on MRN, despite being held at Charlotte Motor Speedway, the headquarters of SMI. Many stations have affiliations with both MRN and PRN in order to air a full NASCAR schedule.


Ex Output:
1


Ex Input:
Question: How many soldiers died in the war that Charles K. Erwin fought in? Passage 1:The source of the river is Lake Hendricks on the boundary of Lincoln County, Minnesota, and Brookings County, South Dakota. It issues from the lake in Hendricks, Minnesota, and flows northeastwardly through northwestern Lincoln County as an intermittent stream on the Coteau des Prairies, a morainic plateau dividing the Mississippi and Missouri River watersheds, into western Yellow Medicine County, where it flows off the Coteau, dropping 250 feet (76 m) in eight miles (13 km). Continuing northeastwardly through flat till plains with occasional willows and cottonwoods along its banks, the river flows into eastern Lac qui Parle County, passing to the east of Dawson. It flows into the Minnesota River just below Lac qui Parle Lake in Lac qui Parle State Park, approximately ten miles (15 km) northwest of Montevideo, after flowing through a wooded valley in which it drops 210 feet (64 m) in 18 miles (29 km). Lac qui Parle Lake was formed by a delta at the mouth of the Lac qui Parle River, and is maintained by a dam.
 Passage 2:Born in Washington, Lycoming County, Pennsylvania, Erwin settled in Portage, Wisconsin in 1853. From 1855 to 1868, Erwin lived in Jo Daviess County, Illinois and then in Stephenson County, Illinois. During the American Civil War, Erwin served in the 45th Illinois Volunteer Infantry Regiment. In 1868, Erwin moved to Tomah, Wisconsin and was in the mercantile business. From 1879 to 1882 and 1886, Erwin served on the Tomah Board of Education and was president of the school board. From 1882 to 1889, Erwin served in the Wisconsin State Senate and was a Republican. In 1889, Erwin served as postmaster for Tomah, Wisconsin. In 1902, Erwin moved with his family to Milwaukee, Wisconsin. Erwin died suddenly in Savanna, Illinois just as he was about get on a train for a trip to Omaha, Nebraska.
 Passage 3:During the 2006/07 season, Liang reached at least the second round of qualifying in every ranking event. At the Northern Ireland Trophy, he beat Robert Stephen 5–0 before falling to David Gilbert 0–5 in qualifying. However, at the Grand Prix, Liang came top of his qualifying group, above more experienced players such as Gerard Greene and Barry Pinches. He finished fourth in his group at the round-robin stage, and although he did not progress to the next round, he did beat former world champion and world number one Stephen Hendry 3–0. At the UK Championship, he lost in the second round of qualifying to Jamie Burnett 7–9. In the following ranking event, the Malta Cup, he lost to Joe Jogia 3–5, again in the second round of qualifying. He qualified for the Welsh Open, his third ranking tournament, by beating Dene O'Kane, Joe Jogia and Mark Davis. He met Nigel Bond again in the last 48, this time losing only 3–5.


Ex Output:
2


Ex Input:
Question: How many years did the war last where Curtis fought with the City Imperial Volunteers in? Passage 1:Curtis was born at Coddington, Herefordshire in 1872, the youngest of the four children of an Anglican rector. He was educated at Haileybury College and then at New College, Oxford, where he read law. He fought in the Second Boer War with the City Imperial Volunteers and served as secretary to Lord Milner (a position that had also been held by adventure-novelist John Buchan), during which time he dedicated himself to working for a united self-governing South Africa. Following Milner's death in 1925, he became the second leader of Milner's Kindergarten until his own death in 1955. His experience led him to conceptualize his version of a Federal World Government, which became his life work. In pursuit of this goal, he founded (1910) the quarterly Round Table. He was appointed (1912) Beit lecturer in colonial history at the University of Oxford, and a Fellow of All Souls College.
 Passage 2:Nellie Bowles is an American journalist noted for covering the technology world of Silicon Valley. She worked as a journalist for the Argentinian English-language daily the Buenos Aires Herald, the San Francisco Chronicle, The California Sunday Magazine, the technology journalism website Recode, the British daily The Guardian beginning in 2016, then for Vice News. Since 2017 she has been covering technology for the New York Times in the San Francisco Bay Area. She covers the technology and business world of hi-tech startups and venture capital, and she has written about personalities such as Elon Musk, Eric Schmidt, and iHeartMedia CEO Bob Pittman. She covered the exclusive conference of technology CEOs called Further Future, and has written about subjects such as doxxing and cryptocurrencies. She appeared twice on the Charlie Rose nationally broadcast television interview show. Her reporting is often controversial; for example, her account of her interview with Jordan Peterson attracted much attention. She has moderated televised discussions on the subject of free speech in the digital age, and she has written about gender equality in the tech world.
 Passage 3:His own military genius blossomed during the Napoleonic Wars. During the 1805 Campaign, Yermolov served in the rear and advance guards and distinguished himself at Amstetten and Austerlitz. For his actions, he was promoted to colonel on 16 July 1806. The following year, he participated in the campaign in Poland, serving in Prince Bagration's advance guard. He distinguished himself commanding an artillery company in numerous rearguard actions during the retreat to Landsberg as well as in the Battle of Eylau. In June 1807, Yermolov commanded horse artillery company in the actions at Guttstadt, Deppen, Heilsberg and Friedland, being awarded the Order of St. George (3rd class, 7 September 1807). He was promoted to major general on 28 March 1808 and was appointed inspector of horse artillery companies. In early 1809, he inspected artillery companies of the Army of the Danube. Although his division took part in the 1809 campaign against Austria, Yermolov commanded the reserves in Volhynia and Podolsk gubernias, where he remained for the next two years. In 1811, he took command of the guard artillery company and in 1812, became the Chief of Staff of the 1st Western Army.


Ex Output:

1