- How many characters names start with "A"?
- How many characters names start with "Z"?
- How many characters are dead?
- Who has the most titles?
- How many are Valyrian?
- What actor plays "Hot Pie" (and don't use IMDB)?
- How many characters are not in the tv show?
- Produce a list characters with the last name "Targaryen"
- Create a histogram of the houses (it's the "allegiances" key)