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: Outgoing German defence minister Ursula von der Leyen has been confirmed as the next president of the European Commission, replacing Jean-Claude Juncker.

EU Commission: What is it and what does it do?