Answer:
Five hundred begins it, five hundred ends it. Five in the middle is seen. First of all figures, the first of all letters. Take up their stations between. Join all together, and then you will bring before you the name of an eminent king.
I have two hands but cannot clap
What is often returned but is never borrowed?
What has 13 hearts but none beat?
When the horse strokes the cat, the wood begins to sing.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.