Conversation so far:
What was Richard III of England's culture like?
CANNOTANSWER.
What can you tell me about the section in culture?
Apart from Shakespeare, Richard appears in many other works of literature.
What was he in of Shakespeares?
Shakespeare's play Richard III.

Question: What other plays was he in?
Self-contained rewrite: In addition to Shakespeare's play Richard III, what other plays was Richard III of England in?