Detailed 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.
Problem:Question: In what city did Shea earn his doctorate? Passage 1:Twin Needles is located in the marine west coast climate zone of western North America. Most weather fronts originate in the Pacific Ocean, and travel northeast toward the Cascade Mountains. As fronts approach the North Cascades, they are forced upward by the peaks of the Cascade Range, causing them to drop their moisture in the form of rain or snowfall onto the Cascades (Orographic lift). As a result, the west side of the North Cascades experiences high precipitation, especially during the winter months in the form of snowfall. During winter months, weather is usually cloudy, but, due to high pressure systems over the Pacific Ocean that intensify during summer months, there is often little or no cloud cover during the summer. Because of maritime influence, snow tends to be wet and heavy, resulting in high avalanche danger. Precipitation runoff from the peaks drains into tributaries of Skagit River.
Passage 2:On graduating in 1943, Shea enlisted in the U.S. Navy and enrolled in a program that would put him through college. He began his studies at Dartmouth College, later moving to MIT and finally to the University of Michigan, where he would remain until he earned his Doctorate in 1955. In 1946, he was commissioned as an Ensign in the Navy and received a Bachelor of Science degree in Mathematics. Shea went on to earn a MSc (1950) and a Ph.D. (1955) in Engineering Mechanics from the University of Michigan. While obtaining his doctorate, Shea found the time to teach at the university and to hold down a job at Bell Labs.
Passage 3:Holding off fierce competition from the Cincinnati Reds and Pittsburgh Pirates, the Cardinals clinched the division crown as each team won at least 90 games. The Cardinals finished the season with an NL-best 9765 wonloss record. They opened the playoffs by defeating the Pirates in five games in the NL Division Series (NLDS). Advancing to their third straight National League Championship Series, they defeated the Los Angeles Dodgers in six games for their 19th NL pennant. Rookie Michael Wacha, who had nearly no-hit the Washington Nationals late in September, continued his dominance throughout the postseason as he allowed no runs against the Dodgers in 13 IP, earning the NLCS MVP. It was the second straight NLCS appearance to which manager Mike Matheny guided the Cardinals, who became the first manager to appear in an LCS in his first two seasons. Rookie closer Trevor Rosenthal extended a 20-inning postseason scoreless streak that started in the 2012 NLDS. The Cardinals met the Boston Red Sox in the World Series, only to lose the series in six games.

Solution:
2