Come up with a script for your conversation with Pope Sylvester II: what would you like to ask him about, what interesting things could you tell him?
This is a topic for home writing. (Note that Pope Sylvester II is a great scientist: an expert in arithmetic and geometry, astronomy and music, Roman and Greek literature, Arabic and Hebrew.)
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.