This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.

[EX Q]: Passage: In 1998, two former Northwestern basketball players were charged and convicted for sports bribery as a result of being paid to shave points in games against three other Big Ten schools during the 1995 season. The football team became embroiled in a different betting scandal later that year when federal prosecutors indicted four former players for perjury related to betting on their own games. In August 2001, Rashidi Wheeler, a senior safety, collapsed and died during practice from an asthma attack. An autopsy revealed that he had ephedrine, a stimulant banned by the NCAA, in his system, which prompted Northwestern to investigate the prevalence of stimulants and other banned substances across all of its athletic programs. In 2006, the Northwestern women's soccer team was suspended and coach Jenny Haigh resigned following the release of images of alleged hazing. Question: In 2006, what prompted the women's soccer team coach, Jenny Haigh,  to resign?
[EX A]: the release of images of alleged hazing

[EX Q]: Passage: To qualify for participation in the auctions, banks must be able to offer proof of appropriate collateral in the form of loans to other entities. These can be the public debt of member states, but a fairly wide range of private banking securities are also accepted. The fairly stringent membership requirements for the European Union, especially with regard to sovereign debt as a percentage of each member state's gross domestic product, are designed to insure that assets offered to the bank as collateral are, at least in theory, all equally good, and all equally protected from the risk of inflation. Question: What must be a part of a states Gross Domestic Product in order for them to be considered for particpation in auctions?
[EX A]: sovereign debt

[EX Q]: Passage: Northwestern has several housing options, including both traditional residence halls and residential colleges which gather together students who have a particular intellectual interest in common. Among the residential colleges are the Residential College of Cultural and Community Studies (CCS), Ayers College of Commerce and Industry, Jones Residential College (Arts), and Slivka Residential College (Science and Engineering). Dorms include 1835 Hinman, Bobb-McCulloch, Foster-Walker complex (commonly referred to as Plex), and several more. In Winter 2013, 39% of undergraduates were affiliated with a fraternity or sorority. Northwestern recognizes 21 fraternities and 18 sororities. Question: How many fraternities does Northwestern recognize?
[EX A]:
21