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: Retired appeal court judge Sir Patrick Coghlin will chair a public inquiry into the botched energy scheme that could cost taxpayers £490m.

RHI scandal: Sir Patrick Coghlin to chair public inquiry