question: What was the value of IndyMac 's MBS bonds retained in its MBS portfolio that were downgraded in April 2008 ?
answer: $ 160 million
turker_answer: The value of IndyMac 's MBS bonds retained in its MBS portfolio that were downgraded in April 2008 was $ 160 million .
rule-based: The value of IndyMac 's MBS bonds retained in its MBS portfolio that were downgraded in April 2008 was $ 160 million .