Instructions: 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.
Input: Question: When was the port at Port Richmond constructed? Passage 1:During World War II, Richmond developed rapidly as a heavy industrial town, chiefly devoted to shipbuilding. Its major activity now is as a seaport, with 26 million tons of goods shipped through Port Richmond in 1993, mostly oil and petroleum products. Chevron USA has a major oil refinery in the city, with a storage capacity of 15 million barrels (2,400 m). The Social Security Administration employs over 1,000 at its regional office and program service center in Downtown Richmond. Kaiser Permanente's Richmond Medical Center hospital in the Downtown Richmond is one of the largest employers in the city. Galaxy Desserts is run and operated in the city. Vetrazzo, an award-winning green business that manufactures Recycled Glass Countertops out of waste glass such as beer bottles and old traffic lights, is located in the refurbished Ford Assembly Plant. Treeskunk Productions a video game animation studio is based in the town. Bay View recording studios are located in the city, and have worked with artists such as Smash Mouth. Photon Films, LLC, a video production and editing studio, is located in Harborfront area along the southeast shoreline.
 Passage 2:Exo-K's leader, Suho, was the first member to join SM Entertainment, after a successful audition through the company's casting system in 2006. The following year, Kai, with encouragement from his father, auditioned at the SM Youth Best Contest; he won and received a contract. Chanyeol, who took second place in a Smart Model Contest, and Sehun, who went through four auditions in two years, were the next members to become trainees in 2008. In 2010, Exo-K's D.O. sang for his audition and was eventually offered a contract. The last member of Exo-K to become a trainee was Baekhyun, who joined in 2011 through SM Entertainment's casting system and trained for approximately one year before debut. In Exo-M, Kris auditioned in 2008 at a global SM Entertainment audition in Canada, before moving to South Korea for training. That same year, Lay auditioned in Changsha, China, and subsequently moved to South Korea, while Xiumin attended an audition with his friend and won second place. In 2010, Luhan was scouted by an SM Entertainment representative in Seoul and passed his audition, while Tao was scouted at a talent show. The last member to join Exo-M was Chen, who took part in the casting system in 2011. The band's first televised performance was at the annual SBS Gayo Daejeon event on December 29, 2011.
 Passage 3:Kohl is strongly pro-choice and opposes the death penalty. He is highly in favor of affirmative action and supports setting aside funds for women and minorities. Although he voted in favor of the 1996 Defense of Marriage Act, Kohl rejected the recent proposal to amend the U.S. Constitution to define marriage as between one man and one woman and has supported measures that ban discrimination based on sexual orientation. Kohl has consistently voted against the flag desecration amendment and in recent years has voted against restrictions on travel to Cuba and funding for TV Martí. In 2005, he secured a victory for one of his main causes: requiring handguns to be sold with child safety locks. The amendment was attached to the Protection of Lawful Commerce in Arms Act, with every Democrat and many Republicans voting in favor of the amendment. Earlier in his career, he helped push the Gun-Free Schools Act which the U.S. Supreme Court overturned in 1995 and has submitted many amendments to that effect. He is a strong supporter of public education and has rejected school vouchers. Kohl has voted in favor of allowing for the establishment of educational savings accounts.

Output:
1