Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: JP Morgan Chase chairman and chief executive Jamie Dimon has agreed to appear before a Senate committee to explain the bank's unexpected $2bn (£1.3bn) loss on high-risk trades.

JP Morgan boss Jamie Dimon to testify at Senate panel