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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.

Question: In what year was the Art Students League of New York founded? Passage 1:Born in New Haven, Connecticut, Welch was the daughter of Philip Henry and Margaret Welles (Hamilton) Welch. She studied under Kenyon Cox and Robert Reid at the Art Students League of New York. She moved to Paris for further study, showing her work at the Paris Salon. She returned to the United States and was active in New York City for some while. Welch died in Wilbraham, Massachusetts, and is buried there in the Woodland Dell Cemetery. During her career she served as the secretary of the American Society of Miniature Painters, from whom she was once the recipient of the Levantia White Boardman Memorial Medal; she was also a member of the Pennsylvania Society of Miniature Painters, the Woman's Art Club, and the Art Workers' Club. Among her other awards were a silver medal from the PanamaPacific International Exposition in 1915; the Medal of Honor of the Pennsylvania Society of Miniature Painters in 1920; a medal from the Brooklyn Society of Miniature Painters in 1933; and awards from the National Association of Women Painters and Sculptors (the Lindsey Morris Sterling Prize for Miniatures) and the California Society of Miniature Painters in 1937. A portrait by Welch of Rosina Cox Boardman, in watercolor on ivory and dating to around 1940, is currently owned by the Smithsonian American Art Museum. The Metropolitan Museum of Art owns two miniature portraits in the same medium, a Portrait of a Lady from the first half of the 1910s and a portrait of Mrs. S. Keith Evans from around 1911.
Passage 2:German Type IXC submarines were slightly larger than the original Type IXBs. U-154 had a displacement of when at the surface and while submerged. The U-boat had a total length of , a pressure hull length of , a beam of , a height of , and a draught of . The submarine was powered by two MAN M 9 V 40/46 supercharged four-stroke, nine-cylinder diesel engines producing a total of for use while surfaced, two Siemens-Schuckert 2 GU 345/34 double-acting electric motors producing a total of for use while submerged. She had two shafts and two propellers. The boat was capable of operating at depths of up to .
Passage 3:USS Castle Rock (AVP-35) was a United States Navy Barnegat-class small seaplane tender in commission from 1944 to 1946 which saw service in the late months of World War II. After the war, she was in commission in the United States Coast Guard as the Coast Guard cutter USCGC Castle Rock (WAVP-383), later WHEC-383, from 1948 to 1971, seeing service in the Vietnam War during her Coast Guard career. Transferred to South Vietnam in 1971, she served in the Republic of Vietnam Navy as the frigate RVNS Tran Binh Trong (HQ-05) and fought in the Battle of the Paracel Islands in 1974. When South Vietnam collapsed at the end of the Vietnam War in 1975, Tran Binh Trong fled to the Philippines, where she served in the Philippine Navy from 1979 to 1985 as the frigate RPS (later BRP) Francisco Dagohoy (PF-10).

Output:
1