Question: Peter J. Wallison believes that the one of the roots of the financial crisis can be traced to affordable housing policies by which agency in the 1990s?
Sentence: Later, based upon information in the SEC's December 2011 securities fraud case against 6 ex-executives of Fannie and Freddie, Peter Wallison and Edward Pinto estimated that, in 2008, Fannie and Freddie held 13 million substandard loans totaling over $2 trillion.
Answer in sentence: no