Conversation so far:
Why did Richard III of England have to be reburied?
CANNOTANSWER.
What was his tomb like?
His cathedral tomb was designed by the architects van Heyningen and Haward.
Was he buried with anyone?
CANNOTANSWER.

Question: Did his burial attract a lot of people?
Self-contained rewrite: Did Richard III of England's burial attract a lot of people?