Definition: In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as `a` for Yes or `b` for No.
Input: Question: What year was the concert hall where Stanford Talisman performed their 25th Anniversary shoe built? Passage:Stanford Talisman is a student a cappella group at Stanford University, dedicated to sharing stories through music. Started in 1990 by Stanford student Joseph Pigato, their roots are in music from South Africa and the African diaspora, but they have since broadened their horizons to include music from all over the world. They perform not only locally in the greater San Francisco Bay Area but also around the world. Their most recent tour was to Hawai'i in the spring of 2018. The group has also traveled to South Africa (2016) and the American Southwest (2017). The group won the 1997 ICCA competition and notable performances include the 1996 Olympic Games, the White House, with 10-time Grammy award winner Bobby McFerrin in 2005 and 2019, with Seal in 2009, with Joan Baez in 2019, annually at Stanford Graduation Baccalaureate, and their sold-out 25th Anniversary Show in Bing Concert Hall in 2015.


b